Here are the latest Back Bay - Midtown neighborhood notes:

Leap Year Celebration

Celebrate Leap Day with jumping games and stories from 11 to 11:30 a.m. on Saturday, Feb. 29 at the Boston Public Library, 700 Boylston St. in Copley Square.

Visit bpl.org/events for other information.

Winter concert series

The Boston Public Library, 700 Boylston St. in Copley Square will present a Winter Concert Series on the Mezzanine overlooking the Welcome Services Desk of the Johnson Building from 1 to 2:30 p.m. on select Saturdays:

Meghan Marshall (Feb. 29); LEW (Mar. 14); and The Ruta Beggars (Mar. 28).

Visit bpl.org/events to learn more about the performers.

Queer board game night

Queer board game night is back by popular demand on Saturday, Feb. 29 at Trident Booksellers & Café, 338 Newbury St.

All queer-identifying folks and allies are welcome to gather to play board games (and grab dinner/drinks) from 6 to 8 p.m., at which point the evening will move into a mingling, hang-sesh with all your new friends.

For other information, visit tridentbookscafe.com.

South Asian Showdown XI

South Asian Showdown XI will be held from 6 to 9:45 p.m. on Saturday, Feb. 29 at the 200 Clarendon (formerly known as the John Hancock Tower).

The best Fusion and Bollywood/Hindi-Film teams from all over North America and Canada will compete to be crowned the Showdown Champion.

Visit southasianshowdown.com for more information and tickets: $25 to $45.

Roaring ’20s Extravaganza!

A Roaring ’20s Extravaganza! will be held from 8 p.m. to midnight on Saturday, Feb. 29 at The Westin Copley Place, Boston at 10 Huntington Ave.

This welcoming event is open to all young adults, ages 21 through 40, hosted by the St. Cecelia’s Young Adults and Paulist Center Young Adults.

Tickets are $40 available at eventbrite.com and will include a night of music, dancing and fun. Since Prohibition is over this time around, one drink is included with your ticket.

‘whose fragments we inherit’

The Chameleon Arts Ensemble will present Chamber Music Series 3: “whose fragments we inherit” at 8 p.m. on Saturday, Feb. 29 and at 4 p.m. on Sunday, Mar. 1 at First Church in Boston, 66 Marlborough St.

Visit chameleonarts.org for tickets and other information.

Music for Food Concert

Music for Food, a musician-led initiative to fight hunger in our local communities, will be held at 7:30 p.m. on Sunday, Mar. 1 at the New England Conservatory, Brown Hall, 290 Huntington Ave.

Beginning in winter and ending in spring, this concert presents two piano trios from Armenia and China, respectively, nestled between two of Vivaldi’s Four Seasons.

All donations will support the Women’s Lunch Place on Newbury St. (womenslunchplace.org).

Suggestion donation: $30+; $10 (students)

Visit musicforfood.net for other information.

Masterworks Chorale: Sacred Service

Join the Masterworks Chorale at the Old South Church, 645 Boylston St. for Ernest Bloch’s beautiful Sacred Service, an artistically groundbreaking setting of the Hebrew liturgy for the Sabbath at 3 p.m. on Sunday, Mar. 1.

To honor the 350th anniversary of Old South Church, they will also present Lukas Foss’s majestic Behold, I Build an House and Randall Thompson’s classic Alleluia, both written to commemorate important beginnings in the area—the openings of Boston University’s Marsh Chapel and the Tanglewood Music Center.

The concert will feature organist Ross Wood and bass-baritone Ian Pomerantz, a professional singer and scholar of Jewish music.

Musicologist Laura Stanfield Prichard will present a pre-concert talk at 2:30 pm.

Visit masterworkschorale.org for tickets and other information.

Party for a Purpose: The David Ortiz Children’s Fund

Party for a Purpose from 6 to 9 p.m. on Monday, Mar. 2 at The Pour House, 907 Boylston St. #21.

All the money raised goes to the David Ortiz Children’s Fund which provides support for children in the Dominican Republic and in New England who cannot afford the critical cardiac services they need.

Tickets ($15) which includes the event and food can be purchased via Venmo@traceylavender or with a donation at tinyurl.com/traceyrunsboston.

Visit eventbrite.com for other information.

Boston Massacre author talks

Two author talks will be held from 6 to 7:30 p.m. at the Massachusetts Historical Society, 1154 Boylston St.

John Adams Under Fire: The Founding Father’s Fight for Justice in the Boston Massacre Murder Trial with Dan Abrams and David Fisher (Monday, Mar. 2) and The Boston Massacre: A Family History with Serena Zabin, Carleton College (Wednesday, Mar. 4).

Pre-talk receptions are slated for 5:30 p.m.

Visit masshist.org for required registration and other details.

Tickets are $20 and $10 respectively; free for MHS Fellows/Members/EBT or Connector Care cardholders.

Joanna Schaffhausen

Joanna Schaffhausen will talk about her new book All the Best Lies from 6 to 7:30 p.m. on Wednesday, Mar. 4 at the Boston Public Library’s Courtyard Cafe, 230 Dartmouth St.

Books will be available for signing.

Visit bpl.org/events for a description of this mystery which debuted on Feb. 11 and other information.

Lindsey Chapel Series

Called “a jewel of the winter arts season,” Emmanuel Music present free concerts featuring J.S. Bach’s English Suites performed by six harpsichordists through Apr. 2 in the Lindsey Chapel at Emmanuel Church, 15 Newbury St.

The concerts will be held at noon on Thursdays as follows: Suite in D minor, DWV 811 (Mar. 5); Suite in A Major, BWV 806 (Mar. 12); Suite in G minor, BWV 808 (Mar. 19); Suite in E minor, BWV 810 (Mar. 26); and Suite in F minor, BWV 809 (Apr. 2).

Visit emanuelmusic.org for reservations and other details.

Celebrating women in photography

An opening reception for the Leica Women Foto Project will be held from 6 to 9 p.m. on Mar. 5 followed by an Artist Talk from 5 to 6 p.m. on Mar. 6 at the Leica Store & Gallery Boston, 74 Arlington St.

This award-winning exhibition showcases a unique visual series told by photographers Debi Cornwall, Yana Paskova and Eva Woolridge and will be on view through Apr. 26.

Visit leicagalleryboston.com and/or eventbrite.com for other details.

The Boston Massacre: A Family History

Join the Boston Public Library, 700 Boylston St. for the 250th anniversary of the Boston Massacre to hear Serena Zabin talk about the dramatic untold ‘people’s history’ of the storied event that helped trigger the American Revolution from 6 to 7 p.m. on Thursday, Mar. 5.

Visit bpl.org/events for more information about author Zabin and her book and for required registration.

Francophonie 2020: Launch Celebration

March is le mois de la Francophonie!

Mix and mingle with Boston’s Francophones from 6:30 to 9 p.m. on Thursday, Mar. 5 at The French Cultural Center, 53 Marlborough St. as they celebrate the launch of this annual celebration of the French language and Francophone cultures.

This is a great opportunity to meet Boston’s Francophone institutions and sample delicious drinks and light bites from their respective cultures.

Come meet representatives from business, governments, and nonprofits and learn more about their community offerings, calendar of events, travels, studies, plus work and visa programs.

Come one, come all for what promises to be a festive evening.

Visit frenchculturalcenter.org for required reservations at this free event.

Adam Hochschild

The best-selling author of King Leopold’s Ghost and Spain in Our Hearts, Adam Hochschild, will discuss the famous immigrant - turned heiress, then activist - brought to life in Rebel Cinderella: From Rags to Riches to Radical, the Epic Journey of Rose Pastor Stokes from 2 to 3 p.m. on Friday, Mar. 6 at the American Ancestors Research Center, 99-101 Newbury St.

Visit americanancestors.org for other information and registration. Cost: $12.50 - admission; $35 - admission and signed book.

This program is part of The American Inspiration Author Series presented with the Wyner Family Jewish Heritage Center.

‘An Evening with Author Josephine Bolling McCall’

“An Evening with Author Josephine Bolling McCall” will take place from 7 to 8:30 p.m. on Friday, Mar. 6 at the Old South Church, 645 Boylston St.

McCall will share the moving story of her father’s lynching which took place just weeks before Christmas in 1947 and reveal the scheme to cover up the murder. She will talk about her journey of discovery which challenges our nation to examine and consider the lasting impact of slavery, America’s original sin.

Her presentation will be followed by a conversation and a book signing.

This event is free and open to the public.

Visit citymissionboston.org and/or oldsouthchurch.org for required reservations and other information.

Climb to the Top MS: Boston 2020

Scrap the elevator and challenge yourself to an indoor vertical “5K at Climb to the Top Boston” from 8 a.m. to noon on Saturday, Mar. 7 at 200 Clarendon (formerly known as the John Hancock Tower).

Gather your friends, family and colleagues (ages 5 and older) to conquer 1,200 steps/61 flights in New England’s tallest building with unparalleled views of Boston while raising critical funds to support people affected by MS and to make the world MS-free.

T-shirts and medals will be provided for all participants; prizes will be awarded for top fund-raisers; a post event party will follow.

Visit climbsboston.org for registration/donation/event details and/or to volunteer.

BSRA: PA and Midwestern travels

The Boston Street Railway Association, Inc. will meet from 7:30 to 10:15 p.m. on Saturday, Mar. 7 at the Midtown Hotel, 220 Huntington Ave.

A short business meeting will include a detailed current events segment on MBTA news and transit happenings near and far and the entertainment program will feature George Chiasson, who will talk about his Pennsylvanian and Midwestern travels taken in June of 2019.

Visit thebsra.org to learn more.

‘Nordic Folk’ on March 7

The Chamber Orchestra of Boston presents “Nordic Folk” at 7:30 p.m. on Saturday, March 7 at the First Church in Boston, 66 Marlborough St. in the Back Bay.

David Feltner leads orchestra in classical works and folk songs arranged for strings from Denmark and Sweden. A complimentary reception follows the concert.

This evening includes “Serenade, Op. 11” by Wirén, “Suite for String Orchestra, Op. 1” by Nielsen and “Novelletter in F major, Op. 53” by Gade.

Tickets are $25 to $50, $15 for students. To order tickets, visit www.chamberorchestraofboston.org/tickets-individual.

For more information, visit www.chamberorchestraofboston.org or phone 617-266-1626.

‘rEvolution’

The performance of “rEvolution” by the Boston Ballet (19 Clarendon St.) takes place through Mar. 8.

Dance on the edge – “rEvolution” showcases three pioneering choreographers who pushed classical form forward and definitively changed the course of ballet as revealed in “Agon,” “Glass Pieces” and “In the Middle, Somewhat Elevated.”

For show times, tickets and additional information, visit bostonballet.org.

Monday Evening Book Group

The Monday Evening Book Discussion Group will meet from 7 to 8 p.m. on the second Monday of the month at the Boston Public Library, 700 Boylston St. in Copley Square.

On Mar. 9, the group will discuss Major Pettigrew’s Last Stand by Helen Simonson.

New members are welcome.

Visit bpl.org/events for other information.

‘The Way We Dress’ lecture series

From the special occasion to the everyday, from made to order to the remade, clothing opens a window into our values, our society, our status, and our hopes for the future. Preserving and studying historic clothing provides a uniquely personal understanding of how past generations lived and expressed themselves.

The Ayer Mansion, 395 Commonwealth Ave. will present three noted New England clothing historians and curators to bring us back through time through the lens of fashion on select Tuesdays as follows:

Clothing Matters: The Smith College Historic Dress Collection with Catherine (Kiki) Smith, Professor of Theatre, Smith College, Northampton (Mar. 10); and Three New England Brides: Self-Fashioning in the Georgian Era with Dr. Kimberly Alexander, University of New Hampshire (Apr. 21).

A special photography presentation and opening reception (tickets extra) will take place on Tuesday, May 12. Scott C. Steward, Editor-in-Chief, American Ancestors & New England Historic Genealogical Society will present The Fashion Forward: Hollywood Steps Out, 1920-1935. The photography will be on view through June 30.

The evening will begin at 6:30 p.m. with a wine and cheese reception and the presentations will start at 7 p.m.

Tickets are $35 per person per lecture; $10 for students, 25 years and younger; with special pricing for the Series.

Visit ayermansion.org/news_events to reserve tickets and other information.

‘Create Eye Catching Acrylics’ workshop

A new studio workshop “Create Eye Catching Acrylics with Chis Firger” will be held from 9:30 a.m. to 4:30 p.m. on Wednesday, Mar. 18 through Friday, Mar. 20 at the Copley Society of Arts, 158 Newbury St.

During the workshop, Firger will share a variety of the techniques he used to create bold, dynamic, and eye-catching works with acrylic paint. For experienced painters and beginners alike, this class will explore subjects such as composition, brushwork, layering, even varnishing, all with the goal of bringing more life to each painting you work on.

Each day, students can expect a lesson and demonstrating from the artist in the morning, followed by painting and one-on-one instruction in the afternoon. Students will be responsible for bringing their own painting supplies, lunch, and reference photos.

Visit copleysociety.org for tickets ($250-$300) available through Mar. 10 and other information.

‘The Treasurer’

The Lyric Stage Company of Boston, 140 Clarendon St. is presenting “The Treasurer” through Mar. 22.

Ida Armstrong is broke, lonely, and fading fast. As she slowly spends all of her children’s money, her son is forced to assume the unwanted role of “The Treasurer,” an arrangement that becomes untenable the more he questions his devotion to her. This darkly funny, sharply intimate new work chronicles the strained ties between a son and his aging mother, and the weight of a guilty conscience.

For show times, tickets and other information, visit lyricstage.com, email boxoffice@lyricstage.com or phone 617-585-5678.

Fantastic Books … book group

The Fantastic Books and Where to Find Them book group, geared towards young adults in their 20s and 30s, will meet from 6 to 7 p.m. on Tuesday, Mar. 24 at the Boston Public Library, 700 Boylston St. in Copley Square.

The group will discuss The Radium Girls by Kate Moore.

Visit bpl.org/events for other information.

Storytime

The Mary Baker Eddy Library, 200 Massachusetts Ave. hosts story time at the Book Nook from 10:30 to 11:15 a.m. on the first and third Tuesdays of each month.

Young visitors listen to stories and engage in playful activities surrounding the theme of the book.

This event is recommended for bookworms, ages 5 years old and younger with adults.

No registration is needed.

For more information about this and other programs, visit marybakereddylibrary.org.

Conversation and Compline for LGBTQIA

Conversation and Compline for LGBTQIA will be held from 5 to 8 p.m. on the first Tuesday of each month through Aug. 4 (except July) at Trinity Church Boston, 206 Clarendon St.

The evening will include fellowship, snacks and conversation with parishioners and clergy. There will be a rotating topic each month and the evening will end with candle-lit complines in the chapel. This event is open to the community.

For more information, contact Craig Nealy at trinitychurchboston.org.

Singing Class for ESL

The Back Bay Chorales’ BRIDGES program will offer choral classes to adult English language learners from 10:30 a.m. to noon on 12 select Tuesdays through May 5 at the Boston Public Library, 700 Boylston St. in Copley Square.

Participants will have an opportunity to make vocal music, improve English language skills, and develop friendships. Singing experience is not required.

Visit bpl.org/events for dates and other details.

Buddha’s Belly Book Group

Buddha’s Belly – the Buddhist Book Group meets from 6 to 7 p.m. on the second and fourth Tuesday of the month at Arlington Street Church, 351 Boylston St.

The group discusses issues of spiritual practice from a Buddhist perspective. Members come from many different faith traditions and religious practices. All are welcome.

For more information, visit ascboston.org.

Meditation and conversation

The Arlington Street Meditation Center meets from 7 to 8 p.m. on the second and fourth Tuesday of the month at the Arlington Street Church, 351 Boylston St.

The gathering will include seated and walking meditations, a brief reading from Buddhist teachings, and conversations. A walk in the Public Garden (dress for the weather) is optional. Beginner and experienced meditators from all traditions (or none) are warmly welcomed.

For more information, visit ascboston.org.

Choral Evensong

A Choral Evensong is held at 5:45 p.m. every Wednesday at Trinity Church Boston, 206 Clarendon St.

Choral Evensong, Rite 1, offers 30-minutes of worship, prayer, scripture and reflection led by the Trinity Choristers youth singers.

To learn more about the Choristers, visit trinitychurchboston.org.

Hardy Perennials

The Hardy Perennials, known as “the youth group for those older than 60,” offers opportunities to share spiritual journeys in later life, to laugh, and to enjoy great company and companionship.

This group of parishioners and friends meet at 1 p.m. on the second Thursday of the month at the Trinity Church Boston, 206 Clarendon St. throughout the year for lunch, tea, and fellowship. All are warmly welcome.

Visit trinitychurchboston.org for other information.

Trinity organ recitals

The Trinity Organ Recital Series will take place at 12:15 p.m. on Fridays through June 5 at the Trinity Church Boston, 206 Clarendon St.

This (almost) weekly series of 30-minute organ concerts featuring innovative programs by recitalists from across the United States and abroad.

There is no charge for admission; however, they invite a donation of $10.

For a schedule, visit trinitychurchboston.org.

Friday Night Suppers Program

Friday Night Suppers Program (FNSP) provides a warm nutritious meal to anyone in need in a safe, dignified and comfortable setting every Friday night at the Arlington Street Church, 351 Boylston St.

They serve approximately 125 guests from any of the Boston neighborhoods.

If you would like to volunteer to help – either with meal prep from 1 to 4 p.m. or to help serve the meal from 5 to 7:45 p.m. – or to make a financial/food donation, visit fridaynightsupper.org for other details.

Recovery Eucharist

A Recovery Eucharist will be held from 3:30 to 4:30 p.m. on Fridays in the Lindsey Chapel at Emmanuel Church, 15 Newbury St.

A healing service will include prayer, Eucharist and laying on of hands with a simpler service without the Eucharist being held on alternating Fridays.

These welcoming services are open to everyone, especially those who struggles with addiction and behavioral issues.

For more information, visit emmanuelboston.org.

Stitching in the Spirit

The Stitching in the Spirit group will be held from 9:30 to 11:30 a.m. on the third Saturday of each month in the PH Angel Room at Trinity Church Boston, 206 Clarendon St.

The Stitching in the Spirit group is a monthly gathering open to stitchers from all disciplines (knitting, quilting, needlepoint, etc.) as well as those who want to learn.

They come together to create scarves, mittens, prayer shawls, and other items for those in need of special care from within the parish as well as from the broader Boston community and across the country.

For more information, visit trinitychurchboston.org.

Bach Cantata Series

The Bach Cantata Series will be held on Sundays at 10 a.m. through May 10 at Emmanuel Church, 15 Newbury St.

Continuing their 49-year- old tradition, The Orchestra and Chorus of Emmanuel Music will present Bach’s astounding human document, in the liturgical setting for which it was intended, as well as other sacred works.

To learn more about the history of Bach cantatas and how Emmanuel Music presents them, visit emmanuelmusic.org.

Exhibitions/opening reception at Pucker Gallery

The Izinkamba/Onda Yaki “Conversation Pieces” and “A World of Her Own” by Andrea Dezsö exhibitions is on view through Mar. 29 at the Pucker Gallery, 240 Newbury St. 3rd floor.

Izinkamba/Onda Yaki pairings engage two cultures of utilitarian, community pottery and Andrea Dezsö’s prints express bold imagination.

Visit puckergallery.com or eventbrite.com for other information.

Boston Warm Day Center

The Boston Warm is an emergency relief day center held in the parish hall of the Emmanuel Church, 15 Newbury St. on Mondays and Fridays from 8 a.m. to 2 p.m.

Coordinated by Ecclesia Ministries (common cathedral), they extend hospitality to people in need of relief from the cold, warming the hearts of guests, volunteers, staff and other supporters. They provide snacks and coffee on Mondays and a warm lunch on Fridays.

Volunteer and financial support and other donations (food, coffee/water and paper goods; games, puzzles, cards, books and magazines) are welcome and necessary to enable them to keep the shelter open through the long winter months ahead. They also welcome clothing – men’s and women’s socks and underwear (all sizes), gloves and mittens, hats and coats.

Additionally, during the summer months, Boston Warm is at Old South Church, 645 Boylston St. on Thursdays from 9 a.m. to 2 p.m. offering a simple lunch, companionship, and a place to get out of the heat.

Visit emmanuelboston.org for other information, including links to volunteer or ways to make financial and/or other donations.

Back Bay Mobile Soup Kitchen

The Back Bay Mobile Soup Kitchen BBMSK (“Bumsk”) is a group of young adults who minister to the homeless on the streets of the Back Bay. They take sandwiches, fruit, socks, and Rosaries to distribute, and take time to listen to the stories of the men and women they encounter. Pope Francis has exhorted us not to adopt a “throw-away” culture that neglects people’s basic human need, and this is an answer to that call.

The group meets Sundays, Tuesdays, and Thursdays at 6 p.m. on the front steps of the St. Clement Eucharistic Shrine, 1105 Boylston St.

They are always looking for volunteers to help. For more information, contact Eli at 703-638-2019 or visit omvusa.org for other information.

Variety of services at OSC

The Old South Church at 645 Boylston St. holds a variety of church services to meet the needs of the community. Here are a few of them:

First Worship (informal and vibrant) starts at 9 a.m. and the Festival Worship (grand and expressive) begins at 11 a.m. on Sundays.

A Healing Service (gentle and tender) starts at 10 a.m. on the second Sunday and Jazz Worship (with sax and soul) begins at 6 p.m. on Thursdays.

There are also a variety of children and youth programs from Godly Play and Children’s Music (interactive programs that include singing, playing music and play-acting) to youth groups (exploring life, faith and service).

Bible studies, small groups and special events are also held throughout the year.

To learn more, visit oldsouth.org.

261 Fearless group run

The 261 Fearless Boston Run Club of Back Bay meets from 9 to 10 a.m. on Saturdays.

Women, ages 18 and older, are invited to an hour of social, fun running. Come to inspire or be inspired.

Walkers wanting to learn how to run, as well as beginners and experienced runners are welcome.

There will be fun games and/or drills for warm-up and a group run led by one or more of the 261 certified coaches. The group runs focus on proper running technique for efficiency and injury prevention in a non-competitive, non-judgmental way.

Experience a group run for free; then have the opportunity to join for a minimal yearly fee thereafter. Locker room use (restroom, lockers, showers, towel, bodywash and blowdryer) is included.

The group meets at Healthworks Back Bay, 441 Stuart St., 2nd floor.

MS Esplanade Run Club

Marathon Sports, at 671 Boylston St., hosts a meet up every Wednesday at 6:30 p.m. to go running with others. All ages and levels are welcome to join and choose between a 3-, 5-, or 8-mile run along the Esplanade or Charles River pathways.

Pre-registration is strongly encouraged in order to participate.

Visit marathonsports.com to pre-register and for more information.

These Marathon Sports meet ups run groups are partnered with The Esplanade Association at esplanadeassociation.org.

Emmanuel Church tour

For a taste of 19th century Boston and an eyeful of fine architecture in the oldest building on Newbury Street, schedule a free-guided tour of Emmanuel Church at 15 Newbury St.

This church is the home to thriving communities from Emmanuel Church and Central Reform Temple, Twelve-Step programs, ministries to homeless and dozens of music and performing-arts events from Emmanuel Music and other organizations.

Check out Emmanuelchurchboston.org for more information.

Email parishassist.emmanuel@gmail.com or phone Dylan Hillerbrand at 617-536-3355, ext. 21 to arrange a tour.

Freedom Trail Tour

The Freedom Trail Tour will take place from 10:30 a.m. to 2:30 p.m. on Saturdays and Sundays through Mar. 31.

Join Boston by Foot and stroll the Freedom Trail’s ancient streets, past historic cemeteries and colonial stone houses all the while hearing tales of rebellion, war, and independence of a nation.

It is the epic stories of Boston’s rise and America’s birth.

The tour will meet outside the Park Street MBTA station on the Park Street side of the Boston Common and end at Faneuil Hall.

For more information and to reserve a spot on this “name your price tour,” visit freetoursbyfoot.com.

Gibson House Museum tours

The Gibson House Museum at 137 Beacon St. is open year round for guided tours beginning promptly at 1, 2, and 3 p.m. from Wednesday through Sunday (except on noted holidays).

The Gibson House Museum offers visitors a glimpse into the lives of a well-to-do Boston family and its domestic staff from 1860 to 1954. The interior is filled with the family’s original furnishings– elegant wallpapers, imported carpets and an abundance of furniture, art, and family heirlooms. The working spaces, including a kitchen, laundry room and coal shed, also remain.

Visit thegibsonhouse.org for other information.

Library art and architecture tours

Boston Public Library, 700 Boylston St. in Copley Square offers free public tours from 11 a.m. to noon on most Wednesdays throughout the year for teens and adults, ages 13 and older.

The tours highlight the celebrated art and architecture of the Library’s McKim Building (1895), a designated National Historic Landmark, including the work of architect Charles Follen McKim and murals by John Singer Sargent, Pierre Puvis de Chavannes and Edwin Austin Abbey.

No appointment is necessary for parties smaller than eight people. For tours by appointment, call 617-536-5400.

For more information, including a full schedule of public tours and literature describing the architectural highlights, visit bpl.org/visit-central-library/art-tours.

Mapparium

Since 1935, more than 10 million people have traversed the 30-foot glass bridge that spans the Mapparium, taking visitors to a unique spot: the middle of the world. This world-famous, three-story, painted-glass globe is one of the key attractions at the Mary Baker Eddy Library, 200 Massachusetts Ave.

The Mapparium’s three-dimensional perspective of the world of 1935 is enhanced by A World of Ideas, an original presentation that features a rich orchestration of words, music, and LED lights to illustrate how ideas have traversed time and geography and changed the world.

The Library is also showing a complementary exhibit, "The Mapparium: An Inside View," featuring never before made public letters, documents, and artifacts showcasing the construction, history, and significance of this magnificent architectural and artistic achievement.

The Mapparium® is available for view on a tour only. Tours of the Mapparium run every 20 minutes, lasting 15-20 minutes. The first tour of the day starts at 10:20 a.m., and the last tour starts at 4 p.m.

For more information, visit www.marybakereddylibrary.org/events-programs or phone 888-222-3711.

MHS Collections tour

The Massachusetts Historical Society, 1154 Boylston St., hosts tours of the collections of the society at 10 a.m. on Saturdays.

Led by an MHS staff member or docent, the 90-minute tour focuses on the history and collections of the MHS.

The tour is free and open to the public. Reservations are not required for individuals or small groups. Parties of eight or more should contact the MHS.

Further information can be found at www.masshist.org or by calling 617-646-0560.

Model room tours

The BPDA’s model room houses a 1:40 inch scale, physical, basswood model of Boston’s downtown and portions of Beacon Hill, the North End, Charlestown, Back Bay and the South Boston Waterfront.

Free tours are conducted in the BPDA Model Room at Boston City Hall, One City Hall Square, on the 9th Floor every Wednesday at 10 and 11 a.m. in two 30-minute sessions.

For more information, visit bostonplans.org.

For individuals or groups of up to 15 people, register at eventbrite.com.

For groups larger than 15 people email bpda@boston.gov to arrange a tour.

BTU homework help

The Boston Teachers Union will provide homework assistance for students in grades K-12 from 4 to 6 p.m. every day through May 28 at the Central Library in Copley Square.

There will be no assistance when Boston Public Schools are not in session (vacation week or snow days).

For more information, visit bpl.org/events.

First Saturday

First Saturday will be held from noon to 4 p.m. in February, May, August and November at the Mary Baker Eddy Library, 200 Massachusetts Ave.

In addition to the library’s regular weekday hours, the Research and Reference services will be open.

Visit www.marybakereddylibrary.org for other details.