This 140-year-old beacon off the Florida Keys marks the wreck of a Navy ship that once roamed the Caribbean hunting pirates.

A Florida college boasts the world's largest single-site collection of structures designed by Frank Lloyd Wright.

America's only city hall with minarets took architectural cues from Ali Baba and the Forty Thieves.

This now-deactivated naval base defended the Florida coast for centuries.

The largest retailer of seashells in the world.

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 futuristic test model of an iconoclastic visionary who wanted to redesign the world.

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

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

The ruins of a Florida miracle spring resort make it seem like a wonder that this was ever a health spa.

It turns out that a hurricane-prone beach is probably not the best place to house wild animals.

Located within a historic park, the beacon is the oldest standing structure in Miami.

Believed to be haunted, this old cemetery is beautifully adorned with Spanish moss hanging from the trees.

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

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

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

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

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

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.

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

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

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

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