Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

This historic headstone is said to mark the final resting place of a doubly-dead white witch.

Visitors are welcome to enter this lush Key West sanctuary to entertain its plethora of rescued parrots.

Would you like a sleeper hold with that?

The third tallest lighthouse in America once guided author Stephen Crane to safety.

Where monkeys run wild and the humans are caged.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

An abandoned vacation home spent a decade taking on legends. It's now taking on water.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A haunted hill that supposedly defied gravity.

A Hawaiian stairway to heaven—that you can't climb.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

A beautiful geyser under environmental threat.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

Home of an evil witch famous within southern folklore.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A collection of haunted artifacts chronicles the career of the world's most famous paranormal investigators.

An institution that preserves the history of institutionalization.