A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

Commonly acknowledged as the only public monument to the Devil himself.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

A display of magnificent stained glass windows is the first exhibit of its kind.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

The world's only known button museum.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

The final resting place of the Hollywood star who came to a tragic end.

Intricate storybook scenes are tucked inside these shadow boxes, which are tucked inside a library in the Pocono Mountains.

An ideal wedding spot that is almost too ideal.

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.

It would take 35 firetrucks to fill this enormous glacial pothole.

A field of nothing but boulders which resembles a giant's gravel driveway.

Yo, Adrian!

This park contains a number of standing stones meant to heal and inspire.

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

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

A train station that was abandoned by the coal industry and converted into a cocktail bar. Now it’s home to the local visitor bureau.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."