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

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

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

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

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

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

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.

Visitors flock to see this church tower's unintended feature: It happens to resemble a giant chicken from multiple points of view.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

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

It's a pretty creepy lock-up.

Despite being made of a seashell mortar, the crumbling remains of this historic Florida mill are still standing.

Meet manatees face-to-face at this zoo for native species.

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

A monument celebrating the idea of reaching inaccessible places.

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

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

Strange beasts lurking in a garden are all that remain of a quirky, short-lived theme park.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

The ruins of this antebellum sugar plantation are the end result of a Seminole attack during the Florida Wars of 1836.

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

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

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

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