Unusual Spaces
Latest Episode
The Abandoned Tunnels Below Washington DC - Each day, thousands of residents, commuters and visitors traverse Washington DC's Dupont Circle, one of the most historic and iconic neighborhoods in the nation's capital. Below its well-traveled streets, however, lies a secret unknown to many who pass above: 75,000 square feet of abandoned tunnels that have remained inaccessible for most of the last 50 years.