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

Built in just a little over a week this preserved bunker was created to protect our most attractive POTUS while he was on vacation.

These craggy limestone outcrops offer a glimpse at a unique piece of Florida geology.

This small museum concentrates on the juicy history of orange production in Florida.

This small beachside park commemorates the possibilities of discovery.

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

A building so large that it has its own weather.

These mysterious ruins are hidden amid this sleepy coastal city.

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

One of the largest Native American shell middens stands 30 feet tall.

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

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

Part of a highway network meant to connect Miami to Montreal, this 10-mile stretch of road made from red bricks is still around 100 years later.

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

Built to replace a house destroyed by a hurricane, this home is made entirely of shipping containers.

Ruins of a Carnegie family mansion on Cumberland Island.

These ruins are all that remain of what a Spanish barrack that likely housed a quarry overseer, masons, and stone cutters involved in the construction of the Castillo de San Marco.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

The site of Martin Luther King Jr.'s arrest as he attempted to have lunch.

St. Augustine's record-setting narrow street was designed to protect against pirates.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

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

It's a pretty creepy lock-up.