One street divides a single town that stands in two U.S. states.

Step back in time on this preserved 1800s farm.

Enormous lake at the bottom of a unique cave system.

This high point in the Great Smoky Mountains is said to be home to the chief of all bears.

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

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

The secret city built by the Manhattan Project.

A bronze sculpture honors the 12 black students who attended the first integrated public high school in the segregated South.

This Tennessee manse was built so opulent that the very utilities doomed it to fail.

This stone memorial pays tribute to a massive shipwreck which was sadly overshadowed by the death of John Wilkes Booth.

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

Knoxville’s architectural icon was the symbol of the 1982 World’s Fair, even catching the googly eye of Bart Simpson.

Unique tower has outlasted a takeover of the company.

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

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

This historic train station has been converted to a locomotive themed hotel.

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

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

One person’s lost luggage is another person’s treasure.

More than five miles of underground passageways.

Live long and prosper in Tennessee.

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

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