Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

A beautiful oddities shop crammed with strange and morbid curiosities.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A rare view of a preserved Victorian science museum.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

A toxic ghost town sitting atop a massive coal fire.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

World's first "penitentiary," meant to be humane, drove men insane.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.

The first integrated firehouse in Atlanta houses a museum on the history of desegregation in the city's fire department.

This pair of centuries-old magnolia trees was once struck by a Babe Ruth home run.

Turns out fishing with dynamite isn't all that safe.

A historic canal winds through a unique, swampy landscape.

The home of a 19th-century author who brought African-American folktales to the mainstream is now Atlanta’s oldest house museum.

The site of the notorious Camp Sumter Prison is now a peaceful memorial.

Where you can experience the story of Appalachia, as told by Appalachians.

The ruins of a resort and casino sit on the banks of this blue hole spring that pumps 70,000 gallons of warm, clear water every minute.

The ruins of a paper mill destroyed during the Civil War still tower over a tributary of the Chattahoochee River.

Two flush headstones mark the only known graves to be embedded in an airport runway.

This protected reserve is home to a rare and beautiful species of flower.

The remnants of the fortress that saved Georgia from the Spanish still stand guard on their swampy island.

Two Civil War-era cemeteries stuck between runways at the world's busiest airport.