A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

Mysterious stone tower featured in many alternative histories of the New World.

A railroad magnate's replica village has become home to a genetic seed bank for rare breeds of livestock.

Oldest synagogue in the United States.

Eco-friendly island mansion.

Abandoned Coast Artillery fort now serves as graffiti canvas and sightseeing vantage point.

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

This lush Florida island is home to the ruins of a crooked ship breaker's tiny empire.

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

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

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

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

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

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

Public works and national defense project meant to carve a canal all the way across the state of Florida.

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

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

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

A building so large that it has its own weather.

Town of spiritualists and mediums in Florida.

A Circus legend leaves an unexpected endowment.

An icon among Florida's pre-Disney tourist attractions.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

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