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

It's a pretty creepy lock-up.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

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

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

A mysterious castle built as a monument to lost love.

A perfect circle of twenty-four mysterious holes dates back to prehistoric time.

A failed, un-built suburb that has been going feral for decades.

America's only city hall with minarets took architectural cues from Ali Baba and the Forty Thieves.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

Built in just a little over a week this preserved bunker was created to protect our most attractive POTUS while he was on vacation.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

A self-explanatory attraction allows fans to respectfully remember and honor a comedy legend.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

A replica of one of the more than 15,000 civilian lookout towers that lined the U.S. coast during World War II.

The ruins of a once-thriving sugarcane plantation that was burned in the Second Seminole War.