Crystal City near Washington, DC
The following tours go by Crystal City:
In the southeastern corner of Arlington County, Virginia, Crystal City is an urban neighborhood south of downtown Washington D.C. Residents in Crystal City have the ability to live, shop, and work without going outside thanks to the extensive integration of office buildings and residential high-rises using underground corridors, making a large part of the city an underground city. Numerous defense contractors can be found inside Crystal City including the United States Department of Labor, the United States Marshall Service, the EPA, and many satellite offices for The Pentagon.