What county in Maryland has a town that began as a streetcar suburb northeast of Washington D.C.?
Mount Rainier Historic District: The Mount Rainier Historic District is a national historic district located at Mount Rainier, Prince George's County, Maryland, which began as a streetcar suburb located northeast of Washington, D.C. The district was built on a gently rolling rural landscape from about 1900 to 1940. Mount Rainier, Maryland: Mount Rainier is a city in Prince George's County, Maryland, United States.
Prince George's County