- Culture Queen will present “Rise + Rhyme: Super Family Saturdays,” a storytelling and performance series for ages 5 and younger. 9:30 to 11 a.m. $5 per child. Busboys and Poets Takoma, 235 Carroll St. NW. 202-726-0856.
- A planetarium movie screening will feature “Zula Patrol Down to Earth,” with the title characters chasing Madam Delira back through geologic times in an attempt to rid the universe of litter (for ages 4 and older). 10 a.m. Free. Rock Creek Nature Center, 5200 Glover Road NW. 202-895-6000.
- 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 Mount Pleasant Library will present “Saturday Morning Yoga.” 10 a.m. Free. Mount Pleasant Library, 3160 16th St. NW. 202-671-3122.
- Ami Wilber, floral and event decor designer at Hillwood, will present “Floral Design Workshop: The Cutting Garden’s Bounty.” 10 a.m. and 2 p.m. $55 to $65. Hillwood Estate, Museum and Gardens, 4155 Linnean Ave. NW. 202-686-5807.
- 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 Petworth Jazz Project will present a children’s show by Baba Ras D, at 6 p.m.; and a jazz concert by Nigerian-American singer-songwriter JaneliaSoul, from 7 to 8:15 p.m. Free. Lawn, Petworth Recreation Center, 8th and Taylor streets NW. facebook.com/PetworthJazzProject.
- Winners of the fourth Catholic University of America Piano Competition will perform as part of the Washington International Piano Festival. 6 p.m. $10 to $20. Ward Recital Hall, Catholic University, 620 Michigan Ave. NE. washingtonpianofest.com.
- The Capitol Hill Chamber Music Festival will present Jeffrey Cohan on baroque flute, William Simms on theorbo and Marlisa Woods on baroque violin in a celebration of the 250th anniversary of the lifetime of Georg Philipp Telemann, history’s most prolific composer. 7:30 p.m. $20 to $25 donation suggested; free for ages 18 and younger. St. Mark’s Episcopal Church, 301 A St. SE. 202-543-0053.
- Alexander Korsantia, winner of the first prize and gold medal of the Arthur Rubinstein Piano Master Competition and the first prize at the Sydney International Piano Competition, will perform as part of the Washington International Piano Festival. 7:30 p.m. $10 to $20. Ward Recital Hall, Catholic University, 620 Michigan Ave. NE. washingtonpianofest.com.
- H Street Main Street’s summer concert series will feature the Roxanne Jarrett Collective performing cabaret jazz. 8 to 10 p.m. Free. Starburst Plaza, 1505 Maryland Ave. NE. hstreet.org.
- “Ladies of Jazz” will feature Tarea Anderson. 8 to 11 p.m. No cover; $15 minimum. Mr. Henry’s Restaurant, 601 Pennsylvania Ave. SE. 202-546-8412.
Discussions and lectures
- As part of the three-day Asian American Literature Festival, American Book Award winner Karen Tei Yamashita will discuss “Literature as Community: The Turtle, Imagination, and the Journey Home,” followed by a fiction reading featuring Vt Hung, Mark Keats and Sejal Shah. 11 a.m. Free; reservations required. Room 119, Jefferson Building, Library of Congress, 10 1st St. SE. 202-707-5394.
- Sarah Bellamy, artistic director for Penumbra Theatre in St. Paul, Minn., will present “Stereotypes: The Power of Perception,” an interactive presentation on the historic representations of marginalized peoples and cultures to illuminate the ways in which images, narratives and media influence perception and ultimately shape lives. 12:30 p.m. Free; reservations required. Melton Rehearsal Hall, Woolly Mammoth Theatre Company, 641 D St. NW. woollymammoth.net.
- David Williams will discuss his novel “When the English Fall.” 1 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- Local photographer and writer Danielle Scruggs will discuss her current Flashpoint exhibition, “Migrations,” which combines portraits, photos and illustrations to explore the personal and macro implications of one’s family history. 1:30 p.m. Free. Luce Foundation Center, Smithsonian American Art Museum, 8th and G streets NW. 202-633-1000.
- As part of the Asian American Literature Festival, Poetry Society of America president Kimiko Hahn will discuss “Angel Island: The Roots and Branches of Asian American Poetry,” followed by a poetry reading featuring Poetry magazine contributors Kazim Ali, Mei-mei Berssenbrugge, Paisley Rekdal, Gerald Maa, Sally Wen Mao, Rajiv Mohabir, Khaty Xiong and John Yau. 2 p.m. Free; reservations required. Room 119, Jefferson Building, Library of Congress, 10 1st St. SE. 202-707-5394.
- Washington Post film critic Ann Hornaday will discuss her book “Talking Pictures: How to Watch Movies.” 3:30 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
- Screenwriter and playwright Mark Stein will discuss his book “Vice Capades: Sex, Drugs, and Bowling From the Pilgrims to the Present.” 6 p.m. Free. Politics and Prose, 5015 Connecticut Ave. NW. 202-364-1919.
Family programs and festivals
- The Mount Vernon Triangle Community Improvement District will host a petting zoo with bunnies, chicks, ducks, sheep, goats and more. 10 a.m. to noon. Free. Milian Park, 5th Street and Massachusetts Avenue NW NW. mvtcid.org.
- National Dance Day will feature guest dancers presenting interactive dance lessons and performances in a wide variety of dance styles, as well as the official National Dance Day routine for this year’s event, led by Tony Bellissimo of the TV show “So You Think You Can Dance.” Festivities will culminate with “Dancing Under the Stars,” a summer night social with music by the Tom Cunningham Orchestra and a beginner-level swing dance lesson by Gottaswing. 2 to 10:30 p.m. Free. North Plaza and Grand Foyer, Kennedy Center. 202-467-4600.
- The Embassy of Switzerland and the Swiss Club of Washington D.C. will present the 2017 Swiss National Day Celebration, featuring Swiss food and music, alphorns, fifes, a lampion parade, children’s activities, games and more. 4 to 7 p.m. $15 to $35. Embassy of Switzerland, 2900 Cathedral Ave. NW. swissclubdc.org.
- “Black Maria: Selections From the Festival” will feature “The Last Projectionist,” “Radiance” and four other shorts, at 1 p.m.; and “Rabbit Blood,” “The Itching,” “Nine Months in the Bronx” and five other shorts, at 3:30 p.m. Free. East Building Auditorium, National Gallery of Art, 4th Street and Pennsylvania Avenue NW. 202-737-4215.
- The Mount Pleasant Library will present the 2017 thriller “XXX: The Return of Xander Cage,” starring Vin Diesel, Donnie Yen, Ruby Rose, Tony Jaa, Ice Cube, Samuel L. Jackson and Neymar. 2 p.m. Free. Large Meeting Room, Mount Pleasant Library, 3160 16th St. NW. 202-671-3122.
- The Kinsey Sicks will present “Things You Shouldn’t Say,” a searing journey into Trumpism, racism, AIDS, giraffes, Bette Midler, oblong vegetables and more. 2 and 8 p.m. $11.50. Goldman Theater, Edlavitch DC Jewish Community Center, 1529 16th St. NW. washingtondcjcc.org. The performance will repeat Sunday at 2 and 7:30 p.m.
- Dakshina/Daniel Phoenix Singh Dance Company will present an evening of Anna Sokolow’s choreography, including “Frida” and “Homenaje a David Alfaro Siqueiros.” 8 p.m. $15 to $25. Dance Place, 3225 8th St. NE. 202-269-1600. The performance will repeat Sunday at 7 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. Food also will be collected Sunday from 10 a.m. to 2 p.m.
- Tamburai and Pauline Chirume — a mother-and-daughter design duo based in Cape Town who launched “One of Each” to celebrate and share Africa’s rich culture and history — will present a trunk show featuring fold-over bags made from leather and traditional African fabrics. 10 a.m. to 5 p.m. Free admission. George Washington University Museum and Textile Museum, 701 21st St. NW. 202-994-5200.
- The 2017 Citi Open tennis tournament will feature Simona Halep, Milos Raonic, Grigor Dimitrov, Sloane Stephens, Juan Martin del Potro, Gael Monfils and Kei Nishikori, among others. 10 a.m. $10 to $25. Rock Creek Park Tennis Center, 16th and Kennedy streets NW. 202-721-9500. The tournament will continue through Aug. 6 at various times.
- The Washington Kastles will play the Orange County Breakers in Mylan World TeamTennis competition featuring Bruno Soares. 5 p.m. $16 to $82. Smith Center, George Washington University, 22nd and G streets NW. 800-745-3000.
- The Washington Valor, the area’s new Arena Football League franchise, will play the Cleveland Gladiators. 7 p.m. $15 to $270. Verizon Center, 601 F St. NW. 800-745-3000.
- The Washington Nationals will play the Colorado Rockies. 7:05 p.m. $12 to $370. Nationals Park, 1500 South Capitol St. SE. 888-632-6287. The series will continue Sunday at 1:35 p.m.
Walks and tours
- The University of the District of Columbia will host a tour of a green roof on campus used by students as a living laboratory for rooftop urban farming and green infrastructure. 10:30 to 11:30 a.m. Free; reservations required. Building 44, University of the District of Columbia, 4200 Connecticut Ave. NW. tinyurl.com/y7mvfxnt. The tour will also be offered on Aug. 12 and Sept. 23.
- A park ranger will lead a two-mile hike about non-native plant species and their impacts on Rock Creek Park’s ecosystems. 11 a.m. to 1 p.m. Free. Rock Creek Nature Center, 5200 Glover Road NW. 202-895-6000.
- Washington Walks “Get Local!” series will explore Van Ness and the International Chancery Center. 11 a.m. $15 to $20. Meet outside the west exit to the Van Ness-UDC Metro station. washingtonwalks.com.
- Tour guide Dwane Starlin will lead a “Summer Cupcake Tour” with stops at Baked & Wired, Sprinkles and Georgetown Cupcake for summer-flavored lemon, coconut and blueberry treats. 1 to 3 p.m. $28 to $30; reservations requested by July 27 at noon. Meet at 27th and Q streets NW. dumbartonhouse.org/events.
- A slide show and outdoor tour will focus on the Washington National Cathedral’s whimsical stone gargoyles and grotesques (for ages 10 and older). 2 p.m. $18 to $22; reservations suggested. Washington National Cathedral, Massachusetts and Wisconsin avenues NW. cathedral.org.