This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

Prehistoric animals decorate this popular outdoor park.

The world's longest known cave system.

This Tennessee museum is dedicated to a tragic railroad hero who inspired the famous ballad that bears his name.

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

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

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

This historic train station has been converted to a locomotive themed hotel.

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

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

The secret city built by the Manhattan Project.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

More than five miles of underground passageways.

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.

Auburn's iconic eagle flight goes back to a 19th century eagle that dropped dead on the field after inspiring the football team to victory.

Monument to the cotton-destroying boll weevil.

Booker T. Washington's home at the Tuskegee Institute was a gem of splendor.

What better place to take a seat?

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

A collection of huge Pre-Colombian structures in Alabama.

The highest point in Alabama was almost completely deforested, but is now home to protected towers and trees.

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