One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

A building so large that it has its own weather.

The giant squid's 27-foot-long corpse lies preserved within a Sarasota aquarium.

The ruins of a once-thriving sugarcane plantation that was burned in the Second Seminole War.

The island residents are known for taking their quirky sense of humor with them to the grave.

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

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.

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

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

This kitschy tavern is also home to rare early editions of "Treasure Island."

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

It's a pretty creepy lock-up.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

A monument celebrating the idea of reaching inaccessible places.

A hot dog stand where the heads are just as hot as the dogs.

Where serial killer Aileen Wuornos drank her last beer.

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

A humid oasis combines recreation with exploration in a unique underwater cavern.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A secret, rocky playground hidden amongst the plain white beaches of the Florida coast.

Years of archaeology, just chillin' by the water cooler.

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

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.