The site of the one of the most deadly train wrecks in American history.

This defunct, fortress-like prison has been the setting for several movies.

Dinosaurs invade a suburban Nashville neighborhood.

The small cave that housed Tennessee's "first citizen."

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

A heartwarming message to those entering and departing Music City from above.

This 12-foot-tall T-rex is the largest K’Nex skeleton sculpture in the world.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.

Once a bustling cotton factory, this early 20th-century building is now home to a thriving artspace.

What else would you call a playground hidden in Alabama's oldest and largest cemetery?

One person's lost luggage is another person's treasure.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

Mysterious library of an infamous financier and spiritual seeker.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

This limestone outcropping was once a ceremonial site for ancient Native Americans.

This mansion turned restaurant was once a pitstop for Al Capone during his travels.

The pan man stands as a testament to the functionality of American cast iron cookware.

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

This stone incorrectly marks the 35th parallel, causing some territorial kerfuffles.

More than five miles of underground passageways.

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.