While knives are the main feature in this store, visitors will also find dinosaur bones and meteorites.

This improbable contraption was passed down through five generations of industrious Tennesseans.

The alley connecting two of country music’s most historic venues has a rich history of its own.

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

This park contains one of the largest concentrations of cedar glades, a unique and rare ecosystem.

Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

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

A reclusive Memphis neighborhood is home to decades worth of misunderstood Masonic folk art.

The first full-scale tunnel built in America is short but scenic.

Live long and prosper in Tennessee.

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

A failed utopian experiment for British expats in the American South is now a Victorian village frozen in time.

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

Walk the whole Mississippi River!

Mile-long cave system near Great Smoky Mountains.

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

More than five miles of underground passageways.

Visit this playground of waterfalls, caves and sinkholes.

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

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

All that's left of the quintessential "cabin in the woods."

Home of an evil witch famous within southern folklore.

Enormous lake at the bottom of a unique cave system.