- The Georgetown Library Friends will host a Pop-Up Book Sale with a varied selection of fiction, nonfiction and children’s books. 10 a.m. to 2 p.m. Free admission. Lower level, Georgetown Library, 3260 R St. NW. 202-727-0232.
- A park ranger will present an astronomy craft activity in honor of Apollo 11’s moon landing 47 years ago. 10:30 a.m. to 12:30 p.m. Free. Rock Creek Nature Center, 5200 Glover Road NW. 202-895-6000.
- The National Building Museum will present “Professor Giuseppe, Master Concatenator!,” an aural journey with cross-cultural percussionist and museum creative-in-residence Steve Bloom exploring how the original master masons instilled the museum building’s geometry with distinctive sound dimensions. 11 a.m. to 2 p.m. Free. National Building Museum, 401 F St. NW. 202-272-2448.
- 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. The program will repeat Sunday at 1 p.m.
- The House of Sweden will host a weekly storytime for children and families to experience Swedish children’s literature. 2 p.m. Free. House of Sweden, 2900 K St. NW. www.swedenabroad.com/washington.
- 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 University of the District of Columbia will present a training session on how to make your own compost easily and effectively. 9 to 11 a.m. Free; reservations requested. East Capitol Urban Farm, 5901 East Capitol St. SE. tinyurl.com/udc-compost.
- Robert DeCaroli, a professor of art history at George Mason University, will lead a class on “Cultural Heritage Sites of India,” from the elaborately decorated Ajanta Caves to the splendor of the Taj Mahal. 9:30 a.m. to 4 p.m. $90 to $140. S. Dillon Ripley Center, 1100 Jefferson Drive SW. 202-633-3030.
- The Mount Pleasant Library will present “Saturday Morning Yoga.” 10 a.m. Free. Mount Pleasant Library, 3160 16th St. NW. 202-671-3122.
- The Kennedy Center will host an all-levels vinyasa yoga class led by Cory Miller. 10 a.m. Free; reservations suggested. Grand Foyer, Kennedy Center. kennedy-center.org.
- Heather Markowitz, founder of WithLoveDC, will lead a “Practice With Love” yoga class. 10:30 to 11:30 a.m. Free. National Garden Lawn Terrace, U.S. Botanic Garden, 100 Maryland Ave. SW. 202-225-8333.
- Yoga Activist will present a class for beginners. 11 a.m. Free. Petworth Library, 4200 Kansas Ave. NW. 202-243-1188.
- The Potter’s House and Soteria Community School will present a training session on “Confronting Racism in the Church” led by theologian and blogger Drew G. I. Hart, author of “Trouble I’ve Seen: Changing the Way the Church Views Racism.” 1 to 3 p.m. $10; reservations required. Festival Center, 1640 Columbia Road NW. soteriadc.org.
- Professor David Hoof will present a drop-in creative writing course on “Creating Irresistible Stories.” 2 p.m. Free; reservations requested. Georgetown Library, 3260 R St. NW. firstname.lastname@example.org. The course will continue Aug. 12.
- H Street Main Street’s summer concert series will feature the Jelly Roll Mortals performing American indie rock. 8 to 10 p.m. Free. Starburst Plaza, 1505 Maryland Ave. NE. hstreet.org.
- “Ladies of Jazz” will feature Batida Diferente performing Brazilian jazz. 8 to 11 p.m. No cover; $15 minimum. Mr. Henry’s Restaurant, 601 Pennsylvania Ave. SE. 202-546-8412.
- The New Orleans brass band Bonerama will perform after an opening set by D.C.-based world fusion ensemble The Dave Kline Band. 8:30 p.m. $15 to $18. Gypsy Sally’s, 3401 K St. NW. gypsysallys.com.
Discussions and lectures
- A park ranger will be on hand to discuss the history of Georgetown, the Georgetown Waterfront Park, Rock Creek Park and other park-related topics. 10 to 11 a.m. Free. Georgetown Waterfront Park, Wisconsin Avenue and K Street NW. 202-895-6070.
- Diksha Basu and Estep Nagy will discuss their respective debut novels, “The Windfall” and “We Shall Not All Sleep.” 1 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- Philip G. Smucker, a fifth-great grandnephew of George Washington and a research fellow at the National Library for the Study of George Washington at Mount Vernon, will discuss his book “Riding With George: Sportsmanship & Chivalry in the Making of America’s First President.” 3:30 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- Heath Fogg Davis, an associate professor of political science at Temple University, will discuss his book “Beyond Trans: Does Gender Matter?” in conversation with Shannon Minter, legal director of the National Center for Lesbian Rights. 6 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
Family programs and festivals
- “Tanabata: The Japanese Star Festival” will feature storytelling, live music, crafts and more. 10 a.m. to 2 p.m. $18; $15 for seniors; $10 for college students; $5 for ages 6 through 18; free for ages 5 and younger. Hillwood Estate, Museum and Gardens, 4155 Linnean Ave. NW. 202-686-5807.
- “Family Day: Celebrate the Summer of Sharks!” will feature the new “Sharks” exhibition, a mechanical shark ride, boardwalk booth games, cotton candy, educational activities and interactive performances, as well as a chance to meet National Geographic ocean explorers Jess Cramp, Camrin Braun and Asher Jay. 10 a.m. to 5 p.m. Free admission; reservations required. National Geographic, 1600 M St. NW. 202-857-7700.
- 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. 11 a.m. to 2 p.m. Free. Peirce Mill, Tilden Street and Beach Drive NW. 202-895-6070. The program will also be offered Aug. 12 and 26.
- In celebration of Parks and Recreation Month, the D.C. Department of Parks and Recreation will host “DPR Rec Day,” featuring live entertainment, a rock wall, face painting, a Madden and NBA PlayStation 4 challenge, jewelry making, quick-start tennis, line dancing, an obstacle course, a T-ball exhibition, a moon bounce, fashion shows and giveaways. 11 a.m. to 4 p.m. Free. Randall Recreation Center, South Capitol and I streets SW. 202-673-7647.
- “Superhero Family Day” will feature a chance for kids to dress up as a favorite character, make a mask at a crafting station and participate in a series of challenges. 11:30 a.m. to 3 p.m. Free. Kogod Courtyard, Smithsonian American Art Museum, 8th and G streets NW. 202-633-1000.
- New Belgium Brewing’s “Tour de Fat” festival will feature the band Vintage Trouble as well as a mix of musicians, circus performers, vaudeville acts, magicians, comedians and provocateurs. 4 to 9 p.m. $25; free for ages 12 and younger. The Yards Lot H/I, 1st and N streets SE. tinyurl.com/y9j3fr7f.
- The National Gallery of Art will present Marie Hélène Rebois’ 2016 film “In the Steps of Trisha Brown,” about the intense preparations leading to the Paris premiere and restaging of choreographer Trisha Brown’s seminal “Glacial Decoy” with costumes and visuals by Robert Rauschenberg and performed by a new generation of dancers. Noon. Free. East Building Auditorium, National Gallery of Art, 4th Street and Pennsylvania Avenue NW. 202-737-4215.
- The National Gallery of Art will present Samuel Fuller’s 1955 film “House of Bamboo,” about an American military cop who infiltrates a gang of criminals in occupied Japan. Marsha Gordon, professor of film studies at North Carolina State University and author of “Film Is Like a Battleground,” will introduce the screening. 2 p.m. Free. East Building Auditorium, National Gallery of Art, 4th Street and Pennsylvania Avenue NW. 202-737-4215.
- As part of the 2017 Capital Fringe Festival, musical duo Dr. Dour & Peach will present “Love and Other Lures,” featuring tales of monsters great and small in a unique combination of comedic songwriting, horror movie references and theatrical clowning. 5:15 p.m. $17 plus Fringe Button. Shopkeepers, 1231 Florida Ave. NE. capitalfringe.org.
- The Kennedy Center’s District of Comedy Festival will feature an evening of stand-up with Aparna Nancherla, Jo Firestone and Chris Duffy. 6 p.m. Free; tickets distributed in the Atrium lobby starting at 5 p.m. Atrium, Kennedy Center. 202-467-4600.
- Iconic comedian Louie Anderson will perform with opening act Matty Litwack as part of the District of Comedy Festival. 7 p.m. $39. Family Theater, Kennedy Center. 202-467-4600.
- Prakriti Dance will present “Prakriti: The Faces of Goddess Earth,” a production that visualizes the spiritual cycle from creation to liberation. 8 p.m. $15 to $25. Dance Place, 3225 8th St. NE. 202-269-1600. The performance will repeat Sunday at 7 p.m.
- New York City-based comedian Jared Freid will perform with rising comics Petey DeAbreu and Justin Smith as part of the District of Comedy Festival. 8:30 p.m. Free. Terrace Gallery, Kennedy Center. 202-467-4600.
- The Bentzen Ball Podcast Studio will present “Mortified,” featuring everyday adults sharing their most embarrassingly real teenage diary entries, poems, love letters, lyrics and locker notes in front of total strangers. 8:30 p.m. $20. Atrium, Kennedy Center. 202-467-4600.
- Hosted by Brooklyn-based comedy favorite Wyatt Cenac, “Night Train” will feature a night of comedy with some of the top comedians of the moment, including Jo Firestone, Judah Friedlander, Violet Gray, Jamel Johnson and Aparna Nancherla. 10:30 p.m. Free; tickets distributed in the States Gallery starting about an hour before the performance. Atrium, Kennedy Center. 202-467-4600.
- Tenley-Friendship Library’s monthly “Game On!” event will feature a bevy of board games and video games, including Operation and Simon. 1 to 3 p.m. Free. Tenley-Friendship Library, 4450 Wisconsin Ave. NW. 202-727-1488.
- D.C. United will play the Houston Dynamo. 7 p.m. $20 to $200. RFK Stadium, 2400 East Capitol St. SE. 800-745-3000.
- The Washington Valor, the area’s new Arena Football League franchise, will play the Baltimore Brigade. 7 p.m. $15 to $270. Verizon Center, 601 F St. NW. 800-745-3000.
- Washington Walks “Get Local!” series will explore Capitol Hill and Eastern Market. 11 a.m. $15 to $20. Meet outside the Eastern Market Metro station. washingtonwalks.com.