- Children ages 2 to 5 and their parents have a chance to explore Hillwood through art projects and hunting for hidden gems in the “Treasure Quest” preschool series. 10:30 to 11:15 a.m. $12 per class for a child and one accompanying adult; $10 for members. Hillwood Estate, 4155 Linnean Ave. NW. 202-686-5807.
Classes and workshops
- “Cook Sisters” Adrienne and Danielle Cook will lead a “Chocolate Crazy” cooking demonstration with an all-chocolate menu. Noon. Free, registration required. U.S. Botanic Garden Conservatory, 100 Maryland Ave. SW. 202-225-8333. The program will repeat at 12:45 p.m.
- A weekly class on “Basic Knitting: Casting On, Garter Stitch, Purl Stitch” will offer instruction for beginners who want to learn the essential foundations of knitting. 5 p.m. Free. West End Library, 2301 L St. NW. 202-724-8707.
- Barbara Bernstein, an artist and a teacher at the University of Virginia, will lead a drawing workshop focused on encouraging concentration and awareness to use drawing as a spark for creativity in everyday life, based on the philosophy held by the artists at The Phillips Collection’s “Ten Americans: After Paul Klee” collection. 6:30 p.m. $10 to $20.1600 21st St. NW. 202-387-2151.
- Airmen of Note, the U.S. Air Force jazz band, will perform alongside acclaimed French singer Cyrille Aimée in this month’s installment of its Jazz Heritage Series. 8 to 9:30 p.m. Free; reservations suggested. Rachel M. Schlesinger Concert Hall and Arts Center, 4915 E Campus Drive, Alexandria. music.af.mil/Concerts/Calendar/.
- Soprano Dorothea Röschmann and pianist Malcolm Martineau will perform works by Schubert, Wagner and Mahler. 7:30 p.m. $50. Kennedy Center Terrace Theater, 2700 F St. NW. 202-467-4600.
Discussions and lectures
- Join The New Yorker’s fiction editor Deborah Treisman and ARTNews’ senior editor Anne Doran for “Remembering Walter Hopps,” where they will reflect on the curator’s life and his posthumous book, “The Dream Colony: A Life in Art.” 6 to 7:30 p.m. Registration required; RSVP to email@example.com. American University Museum at the Katzen Arts Center, 4400 Massachusetts Ave. NW. 202-885-1300.
- The Washington National Opera will present a preview of the second half of their season, including excerpts from operas “Don Carlo,” “The Barber of Seville” and “Candide.” 6 p.m. Free. Millennium Stage, Kennedy Center. 202-467-4600.
- Jane Franklin Dance will perform “The Migration Project,” a range of choreography inspired by immigration stories. 6 to 7 p.m. Free; reservations are required. Sidney Harman Hall, 610 F St. NW. 202-547-1122.
- The Pinkney Promise Foundation will host a “celebration of art therapy,” an open mic night and workshop to aid with self-healing and expression. Performances will include music, dance and spoken word poetry. 6 to 9 p.m. Langston Room, Busboys and Poets, 2021 14th St. NW. 202-387-7638.
- Washington National Cathedral will open 75 minutes early for special photography access as part of its “Seeing Deeper” programming. Participants will be able to photograph the church without crowds or chairs in the way. 8:45 to 10 a.m. $25. Washington National Cathedral, 3101 Wisconsin Ave. NW. 202-537-6200.
- The U.S. Botanic Garden will hold a special “February Snugglers” tour of the Conservatory for parents with infants in a snuggly. 10:30 to 11:30 a.m. Free; registration required. U.S. Botanic Garden, 100 Maryland Ave. SW. 202-225-8333.
- Join Arvin Ahmadi for the launch of his first book, “Down and Across” – a young adult novel about Scott Ferdowsi, a teenager who sneaks off to Washington, D.C. seeking advice about his future, but finds adventure with a local college student instead. 6:30 p.m. Kramerbooks and Afterwords, 1517 Connecticut Ave. NW. 202-387-1400.
- In an event described as a “Rave in the nave. Without the drugs,” Washington National Cathedral will present “The Cosmic Mass,” a unique religious experience for people of all faiths that will include dancing and meditation with the goal of spiritual healing. 7 p.m. $10 suggested donation; registration suggested. Washington National Cathedral, 3101 Wisconsin Ave. NW. 202-537-6200.