Rock Creek Park’s 125th Birthday Party, Sept. 27

Head to Rock Creek Nature Center on Sunday to celebrate Rock Creek Park’s 125th anniversary. The free event includes guided hikes (check the schedule for starting points), programs about the park in the auditorium and half-hour outdoor-skill classes hosted by REI.

There will open-air programs with nature-poetry readings and water-wise gardening; activities including a rock-climbing wall, arts and crafts, pony rides, roller-skating lessons, a golf clinic, gardening tips and mushroom identification; and booths from partners such as the U.S. Fish and Wildlife Service, the Washington Area Biking Association, the NPS Bee-You-Tee-Full Pollinators and the Rock Creek Conservancy.

Visit the National Park Service website for more information, including the schedule of events, which run from 11 a.m. to 3 p.m. at 5200 Glover Road NW.