- Celebrate the New Year with the Rock Creek Conservancy’s 3-mile hike over several trails in Rock Creek Park. 10 a.m. to noon. Free, registration required. Meet outside Pierce Mill, 2401 Tilden St. NW. firstname.lastname@example.org.
- Kazaxé will encourage audience members to participate in dancing styles like dancehall, soca and acrobat, as well as other international moves. 6 p.m. Free. Millennium Stage, Kennedy Center. 202-467-4600.
- “ZooLights” will feature environmentally friendly LED displays, a light show set to music, 150-foot-long “snow tubing” tracks, the Conservation Carousel, live entertainment, and a glow-in-the-dark play zone for children. 5 to 9 p.m. Free admission. National Zoo, 3001 Connecticut Ave. NW. 202-633-4470.