- The Richmond Indigenous Gourd Orchestra will present a children’s program on “Growing Musical Instruments — All About Gourds,” featuring planting tips, songs and hands-on activities. 10:30 to 11:30 a.m. Free. Conservatory Gallery, U.S. Botanic Garden, 100 Maryland Ave. SW. 202-225-8333.
- 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.
- Children will hear a story about Benjamin Franklin and then create a special piece of art. 1 to 4 p.m. Free. National Portrait Gallery, 8th and F streets NW. 202-633-1000.
- 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
- The Kadampa Meditation Center will host a weekly class on meditation. 10 and 11:30 a.m. $6 to $12. Kadampa Meditation Center, 1787 Columbia Road NW. 202-986-2257.
- Local yoga instructors Alia Peera and Amy Mitchell will present “Sunday Serenity: Yoga in the East Park.” 10 to 11 a.m. $5 donation suggested; reservations encouraged. Dumbarton House, 2715 Q St. NW. dumbartonhouse.org. The program will continue weekly through Aug. 27.
- Instructor Gary Shankman will present a class on “The Still-Life in Pastel.” 10:30 a.m. to 4:30 p.m. $75 to $85. S. Dillon Ripley Center, 1100 Jefferson Drive SW. 202-633-3030.
- The D.C. Public Library and Goethe-Institut Washington will present “Jazz in the Basement,” featuring drummer Allen Jones and his trio. 2 to 4 p.m. Free. Goethe-Institut Washington, Suite 3, 1990 K St. NW. goethe.de/washington.
- Czech composer Michal Rataj and the classical, avant-punk violin duo String Noise, comprised of Conrad Harris and Pauline Kim Harris, will perform as part of the project “Prague-New York Effects.” 5 p.m. Free; reservations required by June 22. Embassy of the Czech Republic, 3900 Spring of Freedom St. NW. praguenyeffects6.eventbrite.com.
- Charles Higgs from St. Aidan’s Church in Alpharetta, Ga., will present an organ recital with guest flutist Cain-Oscar Bergeron. 5:15 p.m. $10 donation suggested. Washington National Cathedral, Massachusetts and Wisconsin avenues NW. cathedral.org.
Discussions and lectures
- Mugambi Jouet will discuss his book “Exceptional America: What Divides Americans From the World and from Each Other.” 1 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- Mary Gordon will discuss her eighth novel, “There Your Heart Lies.” 3 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- David Goodrich, former director of the United Nations Global Climate Observing System in Geneva, will discuss his book “A Hole in the Wind: A Climate Scientist’s Bicycle Journey Across the United States.” 5 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- Sara Yael Hirschhorn, lecturer and fellow in Israel studies at Oxford University, will discuss her book “City on a Hilltop: American Jews and the Israeli Settler Movement.” 6 to 8 p.m. Free. Cullen Room, Busboys and Poets 5th & K, 1025 5th St. NW. 202-789-2227.
- Angela Jackson will discuss her book “A Surprised Queenhood in the New Black Sun: The Life & Legacy of Gwendolyn Brooks,” a biography of the first African-American to receive the Pulitzer Prize. 6:30 p.m. Free. Langston Room, Busboys and Poets 14th & V, 2021 14th St. NW. 202-387-7638.
- The 25th annual Giant National Capital Barbecue Battle, benefiting USO Metropolitan Washington-Baltimore and the Capital Area Food Bank, will feature cooking demonstrations, musical performances, a hot dog eating contest, a mobile Wahl barbershop and more. 11 a.m. to 7 p.m. $12 to $20; free for ages 12 and younger. Pennsylvania and Constitution avenues between 3rd and 7th streets NW. bbqindc.com.
- “New Waves: Transatlantic Bonds Between Film and Art in the 1960s” will feature the 1967 film “Loin du Viêt-Nam,” which sews together contributions from notable directors that capture a range of antiwar sentiments. 1 p.m. Free. East Building Auditorium, National Gallery of Art, 4th Street and Pennsylvania Avenue NW. 202-737-4215.
- “Arab Cinema Now” will feature “Time Travel Through Short Films,” featuring recent short films culled from the International Film Festival Rotterdam on subjects such as Bangladeshi freedom fighters in 1980s Lebanon, the current war in Syria and an imaginary sci-fi Palestine. 1:30 to 3:15 p.m. Free; reservations requested. The Palestine Center, 2425 Virginia Ave. NW. 202-338-1290.
- The Embassy of Sweden’s film series will feature Malin Björkman-Widell’s documentary “Don’t Ever Wipe Tears Without Gloves.” 2 to 4 p.m. Free; reservations suggested. House of Sweden, 2900 K St. NW. www.swedenabroad.com/washington.
- “A Pictorial Dream — Directed by Straub and Huillet” will feature the 1983 film “Class Relations,” inspired by Franz Kafka’s incomplete first novel “Amerika.” 3:30 p.m. Free. East Building Auditorium, National Gallery of Art, 4th Street and Pennsylvania Avenue NW. 202-737-4215.
Performances and readings
- The Joaquin Miller Poetry Series will feature readings by poets RG Evans and Amber West, as well as an open mic segment. 3 to 5 p.m. Free. Rock Creek Nature Center, 5200 Glover Road NW. 703-820-8113.
- UniverSoul Circus — a combination of circus arts, theater, music and audience interaction that embraces and celebrates urban pop culture from around the world — will present a performance in conjunction with the Smithsonian Folklife Festival. 6 p.m. Free. Millennium Stage, Kennedy Center. 202-467-4600.
- Petworth Citizen will host a comedy showcase. 8 to 10 p.m. Free. Reading Room, Petworth Citizen, 829 Upshur St. NW. petworthcitizen.com.
- The Source Festival will celebrate 10 years of new plays with “Best of: Six 10-Minute Plays,” featuring some of the funniest and most thought-provoking plays produced since its first season in 2008. 8 p.m. $15 to $32. Source, 1835 14th St. NW. sourcefestival.org. The performance will repeat July 1 and July 2 at 4:30 p.m.
- Georgetown Lutheran Church will collect donations for D.C. food banks of peanut butter and jelly for hungry D.C. kids while school is out this summer. 10 a.m. to 2 p.m. Free. Georgetown Lutheran Church, 1556 Wisconsin Ave. NW. 202-337-9070.
- The Ms. Senior D.C. Pageant 2017 will feature eight District women 60 and older competing for the title based on elegance, inner beauty, poise and community service. The event will include talent and evening gown competitions and presentations on contestants’ philosophy of life. 2:30 p.m. $20. Theater of the Arts, University of the District of Columbia, 4200 Connecticut Ave. NW. 202-724-5626.
- The Washington Nationals will play the Cincinnati Reds. 1:35 p.m. $12 to $370. Nationals Park, 1500 South Capitol St. SE. 888-632-6287.
- National Portrait Gallery historian and curator Kate Lemay will lead a gallery tour of the special exhibition “Marlene Dietrich: Dressed for the Image.” 3 p.m. Free. Meet at the entrance to the “Jo Davidson” gallery space on the second floor, National Portrait Gallery, 8th and F streets NW. 202-633-1000.