The Carter Barron Amphitheatre is a 4,200-seat outdoor performance venue in Washington, D.C., United States. Located in Rock Creek Park, the amphitheatre opened in 1950, in honor of the 150th anniversary of Washington, D.C. as the United States' capital. The National Park Service has operated Carter Barron, having offered a variety of quality performances, including reggae, Latin, classical, gospel, musicals, pop, R&B, jazz, new age, theater, and dance. Many of the performances have been provided free of charge. The adjacent William H.G. FitzGerald Tennis Center is part of the Carter Barron recreational facility.