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

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

It's a pretty creepy lock-up.

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

A Circus legend leaves an unexpected endowment.

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

A monument celebrating the idea of reaching inaccessible places.

The snowbirds here are circus sideshow performers.

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

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

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.

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

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.