Over 12,500 words are scrawled across each room of this historic plantation house and no one knows why.

This grand Spanish-Cuban restaurant has been serving customers for more than a century.

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.

These mysterious ruins are hidden amid this sleepy coastal city.

The highway's southernmost spot is a beloved local attraction.

A vast array of tropical plants collected by a vacationing couple.

The world's longest known cave system.

One of the few surviving "Wigwam"-themed motels.

This impeccably preserved farmstead is a time capsule of a Pulitzer Prize-winning novelist's life.

The site of a gold-digging conquistador's bloody landing in the Americas.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

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

A building so large that it has its own weather.

A Circus legend leaves an unexpected endowment.

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

A luxuriant botanical garden below sea level.

A gleaming white tower in ornate Indian style soars above the low-slung bungalows of north Tampa.

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

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

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

The remains of this visionary community can still be found much as it was a century ago.

A lion given to the prime minister somehow got stuffed and sent to Florida.

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.