This former fire tower found new life as a communications hub complete with a scenic overlook.

This lush Florida island is home to the ruins of a crooked ship breaker's tiny empire.

Dedicated to the victims of one of the deadliest hurricanes to strike the United States in recorded history.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

An abandoned water sports stadium that has become a haven for graffiti and decay.

This naturally-sourced hot spring is now home to a clothing-optional resort.

Community owned and operated, this property is home to a diverse set of nudists.

Iran's colorful terraces are a rare geological masterpiece.

The graphite created here was used in the manufacturing of pencils.

A grove of "candelabra redwoods" deep in California's Lost Coast.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A sparse, solitary sequoia still stands as a living tribute to the famous conservationist who planted it—but it's dying.

A 1920s home transformed into an immersive art experience, where every room is a portal to another realm.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

A psychedelic labyrinth on the San Francisco bay.

Tiki luxury on Nob Hill.

Nestled in Onondaga State Park, over 100 canoes carefully stacked in a replica of the famous standing stones.

Who said a biker bar is no place for a taxidermy squirrel collection?

The first "Hut" was actually a small brick building.

Cannon designed to fire an atomic warhead.

This Kansas City studio was home to Walt Disney's first animation business.

This abandoned prison castle has become an imposing gallery of graffiti art.

This giant green head remembers one of America's jazz giants.