Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

After hundreds of years of settlement, this once-bustling fishing village sunk into the Chesapeake Bay.

This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

An abandoned stretch of highway, deteriorating next to the operational one.

A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

Bizarre Cavern.

This abandoned sea fort has become an accidental bird sanctuary.

This simple stone memorial remembers a secret, Geneva Convention-defying interrogation base from WWII.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

A girls' boarding school inspired by the Chicago World's Fair, once abandoned, now restored to strange and scenic glory.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.