Visit this playground of waterfalls, caves and sinkholes.

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

Sip mead from an East Nashville apiary while snacking on barbacoa tacos.

A 70-foot replica of the famed Eiffel Tower.

The world's largest version of this iconic puzzle cube is located in Knoxville, Tennessee.

A fictional Coupe DeVille built by hand and gifted to the Man in Black himself.

Alongside this Memphis trail are several sculptures that show trail-goers how to relax.

An ancient cave system in Tennessee’s Appalachian foothills converted to a 1,200-person music venue.

Ethereal alien hums and haunting whale songs emitting from...a giant sheet of vibrating metal?

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

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

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

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

Three bronze deer sculptures relax along the Scioto Mile.

Beside a busy highway, a colony of Great Blue Herons raises hundreds of offspring each year.

All that remains of a gigantic earth-moving machine.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

Prison made famous by The Shawshank Redemption has been out of commission since 1990.

Faces carved into the cliffs create an otherworldly walking trail.

This harrowing climb along West Virginia's jagged spires is one of the only Via Ferrata on America's east coast.

The tallest waterfall in West Virginia.

This lookout tower built in the 1930s is now an in-demand cabin with what might be the best view of the Seneca State Forest.

This former fire tower is now a rustic observatory that offers amazing views of eagles, hawks, and the Appalachian Mountains.