This papier-mâché diorama celebrates an unusual landmark: the brightly-colored runoff from a local sock factory.

More than five miles of underground passageways.

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

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

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

Crumbling ruins mark the site of a couple's grisly murder in the woods.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

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

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

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

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

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

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

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

When Motown musicians came to Nashville in the 1960s they stayed at this historic record-pressing company because hotels wouldn't host them.

This abandoned nuclear cooling tower casts a shadow over a bucolic town.

The remains of this visionary community can still be found much as it was a century ago.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

An abandoned theme park with a strange and tumultuous past.

Amazing taxidermy dioramas from the 1960s in a cement building meant to look like an ice cave.

The world's longest known cave system.

Once one of the most polluted caves in America, now an environmental success story and a museum dedicated to caves.