These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

A small poultry graveyard in the courtyard of a popular Key West watering hole.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

Visitors are welcome to enter this lush Key West sanctuary to entertain its plethora of rescued parrots.

Tiny memorials honor individual victims of the Holocaust.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

This ancient Irish landscape boasts hundreds of legendary ruins.

These otherworldly caverns form Earth's oldest known cave system.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

The cave holds a spectacular array of stalactites and stalagmites, including one shaped like a giant human heart.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

Dinosaurs invade a suburban Nashville neighborhood.

An attack on a prominent Black attorney's house sparked a watershed moment in Nashville's civil rights movement.

It may take some time to locate, but it's sure to warm even a heart of stone.

Victorian-era Egyptomania left its mark on this Nashville landmark.

One Confederate statue that accurately reflects the ugliness of its subject.

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

A collection of outdoor art by renowned muralist Robert Dafford depicts the history of a flooded city.

A bizarre roadside attraction and the first instance of miniature golf in the world.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.