An ancient glacial pothole waterfall in the heart of the Green Mountains.

The quaint little Vermont town played a quaint little Connecticut town in Tim Burton's "Beetlejuice."

Collapsing castle on the Hudson river was once the storage site of military surplus business.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

The home of one of America's most wealthy industrialists is now a historic site that remembers a more decadent time in the country's history.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A historic Black graveyard hidden in the parking lot of one of America's largest malls.

The first neighborhood to implement the Garden City model in its suburban planning.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

An abandoned saucer-shaped monument in the Bulgarian mountains.