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

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

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

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

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Mile-long cave system near Great Smoky Mountains.

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

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

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

Once one of the largest producers of pig iron in the world.

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

A place to eat for on-the-run agents and espionage enthusiasts.

This striking art museum holds an amazing series of curiosity cabinets.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

This is not your typical jungle gym.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

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.

This 11th century tower is said to be the oldest building in Oxford.

Used as an example in one of the first dictionary entries for "museum" in 1706.

Famously misunderstood wonder of the ancient world

A graveyard of bathyspheres and diving bells paints a weirdly accurate account of ocean exploration's rickety history.