- A park ranger will host a drop-in program on “Colonial Arts and Crafts” (for ages 5 and older). 12:30 to 2:30 p.m. Free. Old Stone House, 3051 M St. NW. 202-895-6070.
- A park ranger will lead a planetarium program about the season’s brightest stars, planets and constellations (for ages 5 and older). 1 p.m. Free. Rock Creek Nature Center, 5200 Glover Road NW. 202-895-6070.
- Georgetown’s City Kids Theater will present “The Adventures of the Extra Ordinary Super Heroes,” a new play written by Nan and Ray Ficca and directed by Ray Ficca (for ages 5 to 13). 1 and 3 p.m. Free; reservations requested. Georgetown Lutheran Church, 1556 Wisconsin Ave. NW. citykidstheater.org. The performance will repeat Sept. 30 and Oct. 1 at 1 and 3 p.m.
- A park ranger will lead a planetarium program about the solar system, the Milky Way and other deep space objects (for ages 7 and older). 4 to 4:45 p.m. Free. Rock Creek Nature Center, 5200 Glover Road NW. 202-895-6070.
Classes and workshops
- A workshop on “Floral Jewels” will take inspiration from the exhibition “Spectacular Gems and Jewelry from the Merriweather Post Collection” to create a jewel-toned arrangement. 10 a.m. and 1 p.m. $55 to $65. Hillwood Estate, Museum and Gardens, 4155 Linnean Ave. NW. 202-686-5807.
- The Peoples Congregational United Church of Christ Wellness Ministry will present a workshop on the importance of integrating spirituality into medical treatment with guest speaker Diane Onwuchekwa, survivor of a near fatal accident and author of “Teachable Moments: Spirituality and Medicine.” 11:30 a.m. to 2 p.m. Free. Peoples Congregational United Church of Christ, 4704 13th St. NW. 202-928-1522.
- Dumbarton House will host an “English Country Dance” workshop. 1 to 3 p.m. $5. Bellevue Ballroom, Dumbarton House, 2715 Q St. NW. 202-337-2288.
- The Folger Consort will present “An English Garden: Music From the Age of Shakespeare,” featuring popular ballads and art songs from the theater paired with lively instrumental pieces. 2 p.m. $40. Folger Theatre, Folger Shakespeare Library, 201 East Capitol St. SE. 202-544-7077. The performance will repeat Sunday at 2 p.m.
- The New York Opera Society will present the world-premiere staged concert of “Letters From Ruth” by Gisle Kverndokk and Aksel-Otto Bull about a writer and painter who was killed at Auschwitz after having fled to Norway in an attempt to escape Nazi persecution. 3:30 p.m. Free. West Garden Court, West Building, National Gallery of Art, 6th Street and Constitution Avenue NW. 202-737-4215.
- Students from Catholic University will perform excerpts from Cole Porter’s “Kiss Me Kate.” 4 p.m. Free. Mitchell Park, 23rd and S streets NW. mitchellparkdc.org.
- Washington National Cathedral organist George Fergus will present a recital. 5:15 p.m. $10 donation suggested. Washington National Cathedral, Massachusetts and Wisconsin avenues NW. cathedral.org.
- The Swedish acoustic trio Väsen will perform. 6 p.m. Free. Millennium Stage, Kennedy Center. 202-467-4600.
- Keegan Theatre’s “Boiler Room Series” will feature local artist-activists Ines Nassara, Bridget Linsenmeyer, Jade Jones, Eben Logan and more performing as part of the 2017 Concert Across America to End Gun Violence. 7:30 p.m. $15. Andrew Keegan Theatre, 1742 Church St. NW. keegantheatre.com.
Discussions and lectures
- Helen Epstein will discuss her book “Another Fine Mess: America, Uganda and the War on Terror” in conversation with Lawrence Kiwanuka Nsereko and moderator Shaka Ssali. 1 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- Berlin-based artist Matthias Mansen will discuss “Steps Toward Reality” in conversation with John A. Tyson, assistant professor of art at the University of Massachusetts Boston. 2 p.m. Free. East Building Auditorium, National Gallery of Art, 4th Street and Pennsylvania Avenue NW. 202-737-4215.
- Abraham Thomas, curator-in-charge at the Renwick Gallery, will join glass artist Judith Schaechter — known for her remarkably intricate and provocative pieces — in conversation about Schaechter’s work and artistic process. 2 to 3 p.m. Free. Rubenstein Grand Salon, Renwick Gallery, 17th Street and Pennsylvania Avenue NW. 202-633-1000.
- E.J. Dionne, Norman J. Ornstein and Thomas E. Mann will discuss their book “One Nation After Trump: A Guide for the Perplexed, the Disillusioned, the Desperate, and the Not-Yet Deported” in conversation with Deborah Tannen. 3 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- Nelson DeMille will discuss his novel “The Cuban Affair” in conversation with Alan Gross. 5 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- The 24th annual Taste of Georgetown will feature dishes from more than 30 of Georgetown’s top restaurants, with proceeds benefiting the Georgetown Ministry Center’s homeless assistance programs. 11 a.m. to 4 p.m. Free admission; advance tickets cost $22 for five tastings, $33 for eight tickets and $44 for 11 tickets. K Street between Wisconsin Avenue and Thomas Jefferson Street NW. tasteofgeorgetown.com.
- The National Zoo’s annual ZooFiesta — spotlighting animals from Latin America, including golden lion tamarins and Andean bears — will feature animal demonstrations, musical entertainment, educational activities and a food bazaar with authentic cuisine. 11 a.m. to 4 p.m. Free. National Zoo, 3001 Connecticut Ave. NW. nationalzoo.si.edu.
- The 15th annual Turkish Festival — a celebration of the 2,000-year-old city of Istanbul — will feature cuisine, music, dancing, Turkish coffee, fortune reading, cultural exhibits, a bazaar and children’s activities. 11 a.m. to 7 p.m. Free admission. Pennsylvania Avenue between 12th and 14th streets NW. turkishfestival.org.
- The DC State Fair will showcase the region’s agricultural and artistic talents with food, music, art and entertainment. 11 a.m. to 8 p.m. Free. Waterfront Station, 375 and 425 M St. NW. dcstatefair.org.
- All Hallows Guild will present “Fall Garden Day at the National Cathedral,” featuring children’s games, garden information, food, music and a Herb Cottage mini-cart with specialty jam, tea and other gifts for sale. Noon to 4 p.m. Free admission. Bishop’s Garden and Lawn, Washington National Cathedral, Massachusetts and Wisconsin avenues NW. allhallowsguild.org.
- “From Vault to Screen: Recent Restorations From the Academy Film Archive” will feature the Washington premiere of a restored print of Lewis Milestone’s 1931 movie “The Front Page.” 4 p.m. Free. East Building Auditorium, National Gallery of Art, 4th Street and Pennsylvania Avenue NW. 202-737-4215.
- The In Series will present a new English adaptation of Mozart’s “The Magic Flute,” about a prince’s quest to rescue his love from a mysterious sage. 2:30 p.m. $20 to $47. D.C. Scottish Rite Temple, 2800 16th St. NW. 202-204-7763. The performance will repeat Sept. 27 at 7:30 p.m. and Oct. 1 at 2:30 p.m.
- Rhythm Visions Production Company will present “The Justice Playbook,” an interdisciplinary theatrical experience featuring members of the community of all ages as well as local law enforcement. 5 to 7 p.m. Free. Cullen Room, Busboys and Poets 5th & K, 1025 5th St. NW. 202-789-2227.
- Teatro de la Luna will present Juana Estrella from Ecuador in “Penelope” by Jorge Dávila Vázquez (in Spanish). 8 p.m. $25 to $30. Casa de la Luna, 4020 Georgia Ave. NW. 202-882-6227. The performance will repeat Sunday at 4 p.m.
- The Theater Alliance’s Word Becomes Action Festival — an exploration of the diversity of experiences and narratives of the African diaspora — will feature “Name Calling,” written and performed by Goldie Patrick. 8 p.m. $20. Anacostia Playhouse, 2020 Shannon Place SE. theateralliance.com.
- The annual Yoga on the Mall event will feature mini-workshops by 50 area studios, followed by an all-level class led by California-based artist, yoga teacher and musician MC Yogi will follow. 10 a.m. to noon. Free; registration encouraged. Lincoln Memorial. dccy.org.
- The National Building Museum’s “Ghost Tour: Escape the Museum” will have participants solve puzzles and find clues to reveal the truth and escape the room. 7 and 8:30 p.m. $30; reservations required. National Building Museum, 401 F St. NW. 202-272-2448.