To help people keep their New Year's resolutions to take up a new hobby, World Arts Focus is demonstrating a variety of artistic movement forms, including tai chi, Afro-Cuban dancing and drumming, West African dance, ballet, improvisational dance and astanga yoga, at its biannual open house. On Saturday, participants who like what they see can also meet instructors and register for classes. The event is free and takes place from noon to 4 p.m. at the organization's studios at 3802-3806 34th St., Mount Ranier. Call 301-699-1819.


Greenbelt's monthly open house, "Artful Afternoons," is Sunday from 1 to 5 p.m., featuring live performances and studio tours. Painters, weavers, stained glass artists and ceramicists will lead a hands-on project from 2 to 4 p.m. At the same time, an Argentinian printmaker will host an artist's reception and gallery talk to celebrate the opening of her show, "Garden of Earthly Delights Revisited," which includes monoprints and cutouts of half-human creatures. "Picturing Victims and Patriots," the Greenbelt Museum's current exhibit of documentary photography, will be on view throughout the day at the Greenbelt Community Center, the site for all Artful Afternoon activities. The center is at 15 Crescent Rd. in Greenbelt. Call 301-397-2208.


Paint and charcoal are all that artist Willette Osborne George needs to explore themes of inner strength, pride, self-awareness and love in the black community. George, an elementary school art teacher in Crownsville, uses family and friends as models for her portraits. Her screens and paintings are on display Monday through Feb. 24 at Harmony Hall Regional Center, 10701 Livingston Rd., Fort Washington. The show is free and open daily from 10 a.m. to 5 p.m. Call 301-203-6070.