One man has spent decades faithfully constructing this unique brick and cinderblock castle.

Abandoned for 60 years, this submerged bridge was completely forgotten until the lake was drained.

Over 200 people were buried here with only a small stone to mark their final resting place.

An abandoned town is hidden in Great Smoky Mountains National Park.

This improbable contraption was passed down through five generations of industrious Tennesseans.

A bronze sculpture honors the 12 black students who attended the first integrated public high school in the segregated South.

This stone memorial pays tribute to a massive shipwreck which was sadly overshadowed by the death of John Wilkes Booth.

Abandoned former poorhouse, bible college, and haunted house in an Ohio hamlet.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

Try not to get slimed in Tribeca.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

A town church once nearly submerged by the damming of a river is now hauntingly visible as the water recedes.

The cell which saved the life of Ludger Sylbaris, "the man who lived through Doomsday."

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

New York City's smallest piece of private property.

A dazzling display of red rocks weathered into spires and hoodoos.

What's a diner from the 1939 World's Fair doing in a remote Utah mountain town?

A small flooded ghost town with a few scattered structures remaining.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

In the loving memory of a tragically deceased role-player this Illinois park is decked out with both dungeons and dragons.

This popular park is home to a sea serpent sculpture that now overshadows the twisted history of its creation.