St. Augustine's record-setting narrow street was designed to protect against pirates.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

It's a pretty creepy lock-up.

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

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

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.

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

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

The ruins of a Florida miracle spring resort make it seem like a wonder that this was ever a health spa.

Georgia may have been on his mind, but this memorial in Florida shows that Greenville was really Ray Charles's childhood home.

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

This fairytale-inspired cottage was created by a university literature professor.

The ruins of a creative scholar's fantastical unfinished sanctuary act as his massive gravestone.