- A park ranger will host a drop-in program on “Colonial Arts and Crafts” (for ages 5 and older). 11 a.m. to 1 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.
- 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
- 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 Kadampa Meditation Center will host a weekly class on meditation. 10 a.m. $6 to $12. Kadampa Meditation Center, 1787 Columbia Road NW. 202-986-2257.
- Peoples Congregational United Church of Christ will celebrate jazz greats Tadd Dameron, Ella Fitzgerald, Dizzy Gillespie and Thelonious Monk at its annual jazz worship service with music by the Davey Yarborough Jazz Ensemble. 10 a.m. Free. Peoples Congregational United Church of Christ, 4704 13th St. NW. peopleschurchucc.org.
- The D.C. Public Library and Goethe-Institut Washington will present “Jazz in the Basement,” featuring father-daughter piano and saxophone duo Fred Hughes and Sarah Hughes. 2 to 4 p.m. Free. Goethe-Institut Washington, Suite 3, 1990 K St. NW. goethe.de/washington.
- The Asian American Music Society will present musicians from George Mason University’s Jazz Quartet performing Asian traditional melodies in classical and jazz settings and Western classical music to show the difference between two cultures. 6 p.m. Free. Millennium Stage, Kennedy Center. 202-467-4600.
Discussions and lectures
- Franklin Kelly, deputy director and chief curator at the National Gallery of Art, will discuss “Curators and Their Roles: Collections, Exhibitions, Acquisitions, and Research.” 2 p.m. Free. East Building Auditorium, National Gallery of Art, 4th Street and Pennsylvania Avenue NW. 202-737-4215.
- Mark Lilla, professor of humanities at Columbia University and a frequent contributor to The New York Review of Books, will discuss his book “The Once and Future Liberal: After Identity Politics.” Joining him in conversation will be Sean Illing, interviews writer for Vox. 5 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- Dumbarton House’s “Dolley Days” will feature free museum admission, historic lawn games, children’s activities, ice cream and a special tour of the historic house in celebration of first lady Dolley Madison’s stop there on Aug. 24, 1814, during the burning of Washington. 10 a.m. to 3 p.m., with an open rehearsal and performance by Dumbarton House’s English country dance group from noon to 3 p.m. in the Bellevue Room. Free. Dumbarton House, 2715 Q St. NW. dumbartonhouse.org.
- “Gaumont at 120: Twelve Unseen Treasures” will feature Max Ophüls’ 1937 movie “Yoshiwara,” about an upper-class woman sold as a geisha to ward off her family’s disgrace. 4 p.m. Free. East Building Auditorium, National Gallery of Art, 4th Street and Pennsylvania Avenue NW. 202-737-4215.
- The Washington Improv Theater will present “Improvapalooza,” its annual celebration of experimental improv. Noon. $15 to $40. Source, 1835 14th St. NW. witdc.org.
- Whole Foods Market and photographer Sarah Rosencrans of Pooch Portrait Studio will present “Dog Days of Summer,” a pet portrait day with proceeds benefiting local animal nonprofits. 11 a.m. to 2 p.m. $5 donation suggested; reservations encouraged. Whole Foods Market, 600 H St. NE. tinyurl.com/ydgztew5.
- The Jewish Federation of Greater Washington will present its third annual Jewish Community Day at Nationals Park, featuring pre-game activities before the Washington Nationals play the New York Mets. 11:30 a.m. $25 to $40; reservations required. Nationals Park, 1500 South Capitol St. SE. shalomdc.org/grandslam.
- The Washington Nationals will play the New York Mets. 1:35 and 8:08 p.m. $12 to $370. Nationals Park, 1500 South Capitol St. SE. 888-632-6287.
- A park ranger will lead a walk through Georgetown Waterfront Park and discuss Georgetown’s evolution from an active port town (for ages 7 and older). 11 a.m. Free. Meet at the fountain in the Georgetown Waterfront Park, Wisconsin Avenue and K Street NW. 202-895-6070.