One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

One man's ambition created this psychedelic log home.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

A swing to dangle you off the very edge.

She asked for a potato cellar and over the next 23 years he gave her a network of holy caves.

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

The abandoned Japanese amusement park once loomed as a dystopian Disneyland.

This chimerical bridge/tunnel appears to dead end right into the sea.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

After millennia of erosion by sand and churning water this Brazilian valley now looks like a lunar fantasy.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

The tallest outdoor elevator in Europe rockets passengers on a dizzyingly precarious ride to the top of a mountain.