A sprawling collection of books and manuscripts about ancient Greece that would have put their famed libraries to shame.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

Poseidon? No one seems to know.

This field of half-buried stone crosses was the burial place of a sect of heretical gnostics.

This legendary city has been a tourist attraction for centuries.

A naturally beautiful, seemingly bottomless deep blue spring.

A spectacular cave and a beguiling lake.

This open air archeological site houses almost as much wildlife as it does classical religious artifacts.

Monasteries on rock pillars, once accessible only by frayed ropes.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

This Transylvania County city is home to a rare white squirrel population that is descended from an escaped carnival animal.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

These eerie outliers of the lightning bug family glow a mysterious blue color.

This abandoned radar site is slowly being taken back by the jungle, its mission cut short by the end of the Cold War.

These former Cold War launch sites have been preserved for tourists to see where the button might have been pushed.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

A white oak with property rights.

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

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

Tour the sci-fi-esque reality of governmental disease management.