- “Family Workshop: Tiny Tinkerers” will offer ages 3 and older a chance to practice fine motor skills while learning about hammers. 10 to 11:30 a.m. $15 to $20 per child; reservations required. National Building Museum, 401 F St. NW. 202-272-2448.
- “Pacific Rhythm” will present traditional music and dances from Hawaii, Tahiti, New Zealand, Fiji, Cook Islands and Samoa with authentic costumes for each island. 11 a.m. Free. West End Library, 2301 L St. NW. 202-724-8707.
- A park ranger will lead a planetarium program about “Animals of the Night Sky” (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 distant galaxies, nebulas 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. The program will repeat Sunday at 4 p.m.
Classes and workshops
- The Mount Pleasant Library will present “Saturday Morning Yoga.” 10 a.m. Free. Mount Pleasant Library, 3160 16th St. NW. 202-671-3122.
- The Chevy Chase Library will host a workshop on how to spot, report and combat “fake news” on social media. 2 p.m. Free. Chevy Chase Library, 5625 Connecticut Ave. NW. 202-282-0021.
- A recital will feature violin and cello students of Frederik Spiro. 6 to 7 p.m. Free. Middle C Music, 4530 Wisconsin Ave. NW. 202-244-7326.
- Celebration Concert Tours International will present “Celebrate America: A Tribute to Our Veterans,” featuring the 250-voice Singing Churchmen and ChurchWomen of Oklahoma and the 50-piece Oklahoma Baptist Symphony. 8 p.m. $20 to $40. Concert Hall, Kennedy Center. 202-467-4600.
Discussions and lectures
- Jenny Balfour-Paul, honorary research fellow at Exeter University, will discuss “Indigo, Blue Star of the Orient” and lead a tour of the galleries to examine and discuss varied examples of indigo-dyed textiles from Asia. 10:30 a.m. $10 to $15; reservations required. George Washington University Museum and Textile Museum, 701 21st St. NW. 202-994-7394.
- Creators Syndicate columnist Jamie Stiehm will discuss “Senator Charles Sumner: The Noblest Abolitionist of Them All,” about the high price Sumner paid for his fierce attacks on the institution of slavery. 1 p.m. Free. Peabody Room, Georgetown Library, 3260 R St. NW. 202-727-0233.
- Jenny Balfour-Paul, honorary research fellow at Exeter University, will discuss “Chasing Indigo From the Skyscrapers of Yemen to Manhattan.” 2 p.m. Free. George Washington University Museum and Textile Museum, 701 21st St. NW. 202-994-5200.
- “DCPS Music Festival Week” will feature regional high school Latin dance teams competing in a showcase of popular dance styles such as salsa, bachata, cha-cha and merengue. 6 p.m. Free. Millennium Stage, Kennedy Center. 202-467-4600.
- The annual New Releases Choreographers Showcase will present new works by established and emerging choreographers. 8 p.m. $15 to $30. Dance Place, 3225 8th St. NE. 202-269-1600.
- Miller Jeanne Minor and the Friends of Peirce Mill will host “Run of the Mill,” a chance to see Washington’s only surviving gristmill in action. Events will include family workshops and children’s activities. 11 a.m. to 2 p.m. Free. Peirce Mill, Tilden Street and Beach Drive NW. 202-895-6070.
- Dardanella will host “The Great Gatsby Lawn Party,” sprawled out before the towers of the Washington National Cathedral and featuring vintage bands, dance performances, lawn games, a dance floor, photo sets, and food and beverage available for purchase. 11 a.m. to 6 p.m. $55 to $125. Washington National Cathedral, Massachusetts and Wisconsin avenues NW. dardanella.com.
- Tour guide Dwane Starlin and Georgetown Metropolitan blogger Topher Matthews will highlight Georgetown’s trees on a scenic stroll of one of D.C.’s truly green and well-shaded neighborhoods. Noon to 2 p.m. $20; reservations suggested. Dumbarton House, 2715 Q St. NW. dumbartonhouse.org/events.