Crystal Pool, Glen Echo Park, Montgomery Co Maryland
Located on the outskirts of Washington DC and served by a trolley line this amusement park was popular, but segregated until the 1960s. The Art Deco Crystal Pool boasted are “real sand beach” and accommodated 3,000 swimmers.
The Glen Echo Park today is owned by the National Park Service and a non-profit Arts and Culture organization operates it not as an amusement park but offers classes and demonstrations and includes an artist-in-resident program.
Read more here, Glen Echo Park.