The “City of Stairs” sits high in the Andes, above the world’s largest underground copper mine.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

A seemingly endless landscape of pure salt stretches far across Bolivia.

Where beautiful signs live on forever.

This overgrown Illinois water park offers a whole new type of adventure.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

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

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

An eerie, decaying ghost town destined to fade into the forest.

A Beaux-Arts triumph set to become Ford's innovation campus

This empty Detroit high school was too expensive to maintain or destroy.

A single handprint, which, according to Ohio State University legend, cannot be scrubbed off.

An office built to look like a giant basket.

This railway-turned-greenway provides a pedestrian link in downtown Detroit and celebrates urban artwork.

Paranormal investigators claim this abandoned asylum is the most haunted spot in the eastern U.S.

An abandoned theme park with a strange and tumultuous past.

The world's longest known cave system.

Prehistoric animals decorate this popular outdoor park.

An art deco ice cream shop covered in vintage train station tiles.

A suspended garden, now gone, once hung in the middle of this abandoned church.

An abandoned relic of the city's failed experiment with below ground transit.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

This railroad overpass is said to be home to a murderous goat-man whose very legend has led to very real deaths.