A unique botanical garden housed in three giant geodesic domes.

In the loving memory of a tragically deceased role-player this Illinois park is decked out with both dungeons and dragons.

The famous Beatle secretly visited this Illinois town several times to visit his sister.

Step back into the glory days of Florida's nascent tourism industry at this Gilded Age palace.

A mysterious castle built as a monument to lost love.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

Part of a highway network meant to connect Miami to Montreal, this 10-mile stretch of road made from red bricks is still around 100 years later.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

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

This curio museum seems like the type of place you might find a mogwai or a monkey's paw.

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

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

It's a pretty creepy lock-up.

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

The graves in Florida's oldest Black cemeteries are marked with shells, stones, and mementos of the deceased.

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

This abandoned bridge is now a favorite haunt for graffiti artists.

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

Gutted airplanes slowly decay in a Florida field.

Dubbed the "smallest church in America," this tiny sanctuary was a local grocer's dream come true.

Interactive modern and vintage submarine equipment, World War II relics, and submarine attire.

Ruins of a Carnegie family mansion on Cumberland Island.

A sprawling maze of used books piled from floor to ceiling.

A modest walled graveyard where nobody is actually buried.