A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

Built by prisoners of war, the largest small-scale model ever built includes eight miles of tiny streams that now sit abandoned.

An attack on a prominent Black attorney's house sparked a watershed moment in Nashville's civil rights movement.

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

This tiny 19th-century tunnel was built so a man could move his cows from one field to another.

In the hometown of the Grand Ole Opry star is a larger-than-life memorial statue made entirely from chicken wire.

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.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

An abandoned town is hidden in Great Smoky Mountains National Park.

These early tent-shaped grave coverings are unique to Appalachia.

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

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

Over 20,000 sets of spice shakers reveal the surprisingly telling history of our most basic spices.

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

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

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

Home to drunken tower-climbing goats... seriously.

Mile-long cave system near Great Smoky Mountains.

Visit this playground of waterfalls, caves and sinkholes.

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

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

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

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