A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

This bridge is haunted by the ghost of a distraught mother.

This ancient art form was used to capture the lives and struggles of the Haywood Street ministry.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

The secret city built by the Manhattan Project.

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

Stroll around the headstones of notable figures from Knoxville's history, as well as towering monoliths and melancholic headstones.

One of the best-preserved medieval streets in Europe.

Giant marble phalluses on the sacred island of antiquity.

Replicas of Apollo's leonine stone guard cats still line a sacred row in Greece.

An intricate network of underground tombs carved into volcanic rock.

A Bronze age settlement on the Greek island of Santorini might have been the inspiration for Plato's Atlantis.

This abandoned Greek island was the last active leper colony in Europe.

This famous archeological mystery may be an ancient example of movable type.

A spectacular cave and a beguiling lake.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

A scenic UNESCO site that doubles as a habitat for various forms of wildlife.

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

At one of the nation’s longest-running professional theaters, the audience used to barter for tickets with produce and livestock.

This once-derelict building is now one of the most beautiful bookstores in the world.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

This hauntingly beautiful cemetery outside a medieval citadel is full of winding paths and ivy-covered graves.

Nine centuries-old fortresses guard the walls of this medieval Romanian city.