Mile-long cave system near Great Smoky Mountains.

This building contains handprints that are well over a century old.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

One man has spent decades faithfully constructing this unique brick and cinderblock castle.

Enormous lake at the bottom of a unique cave system.

The site of the Scopes Trial contains a small exhibit dedicated to the famous case.

Labor provided by Great Depression-era programs restored these 25,000 acres in Tennessee.

This award-winning men's bathroom was just too beautiful to not allow women to see.

These fossilized remains of an ancient saber-toothed cat inspired the mascot of Nashville's NHL team.

In 1912, a broken section of the reservoir wall released millions of gallons of water and destroyed many homes downhill.

This replica of the Greek structure is in the heart of Nashville.

This quirky local sculpture is quite literally a fish out of water.

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

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