One of the last of the great 1920s movie palaces is a Floridian Greco-Spanish-Persian dreamscape.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

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

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

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

A building so large that it has its own weather.

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

One of only two pod-shaped homes designed by Frank Lloyd Wright.

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

A nude beach alongside a washed-out road.

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

The abandoned bathhouse is all that remains of the hot springs considered Florida's original tourist attraction.

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

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

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

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

The so-called "world's shortest river" is actually a window into a cave.

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

A Circus legend leaves an unexpected endowment.

An underwater statue of Christ blesses the depths off Key Largo.

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

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

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

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