The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

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

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

Where monkeys run wild and the humans are caged.

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

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

A community of collapsing homes more than a mile out from the Florida coast.

A mysterious castle built as a monument to lost love.

When you can't get to the Pacific, just go to Florida.

A time capsule of Floridian history fights to survive on the banks of Chokoloskee Bay.

A Circus legend leaves an unexpected endowment.

North Central Florida's largest flea market and a weekend roadtripper's dream.

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

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

A building so large that it has its own weather.

A haunted hill that supposedly defied gravity.

Town of spiritualists and mediums in Florida.

Former wax museum from the 1960s, home to many wax U.S. Presidents and the famous White House miniature.

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