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

The largest freshwater lake in the Florida Keys.

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

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

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

This picturesque ghost town is located on the banks of the Suwannee River.

A steamer run aground near Bimini lives a second life as a playground for scuba divers.

Stay in a room with a view... of the bottom of the ocean.

When this test site was abandoned, they didn't even bother to take the rocket with them.

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

A mysterious castle built as a monument to lost love.

An underwater city for the dead.

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

Where monkeys run wild and the humans are caged.

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

An abandoned water sports stadium that has become a haven for graffiti and decay.

Jacksonville's highways rendered this century-old grammar school unusable.

This beautiful Miami garden was designed as a laboratory for tropical plants.

12,000 sq. ft. museum tracing erotic art from antiquity to modern times.

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

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

St Bernard de Clairvaux Episcopal Church, better known as one of the oldest European buildings in the Western Hemisphere.

The behemoth beasts engaged in an epic battle is the second-tallest statue in the contiguous United States.

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