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

After the attack on Pearl Harbor, rocks and fossils from every U.S. state were collected into a pyramid of national unity.

Former utopian colony based on the belief that the universe exists in a hollow sphere.

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

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

A 1950s eccentric's vision of Eden preserved as a hiking trail.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

A vast array of tropical plants collected by a vacationing couple.

VW heaven in the backwoods of Dade City, now gone.

A Circus legend leaves an unexpected endowment.

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

A swamp that was the site of prehistoric water burials also managed to preserve its corpses for millennia.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

Over 120,000 curious objects that have shaped our modern world.

Former villa and estate of James Deering developed to preserve native tropical forests.

It's a pretty creepy lock-up.

Where serial killer Aileen Wuornos drank her last beer.

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 world's largest occupied bat houses hold hundreds of thousands of flying mammals.

The only Florida state park with publicly accessible caves.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

Over 12,500 words are scrawled across each room of this historic plantation house and no one knows why.

This beautiful Miami garden was designed as a laboratory for tropical plants.

A hidden beach at the end of a tunnel of mangrove trees.