The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

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.

Three courses accompanied by Christian rock.

Part of a worldwide art project, this mysterious semicircle of concrete shapes holds the pieces of a larger story.

This simple gravestone remembers a pig who single-hoofedly raised $19,000,000 for the Navy.

The only building in Louisville (hopefully) that contains two ancient holy skeletons.

This railroad overpass is said to be home to a murderous goat-man whose very legend has led to very real deaths.

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

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

The "Jade Museum" is full of thousands of intricately carved works of art made from various precious stones.

Walk the whole Mississippi River!

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

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

World's largest collection of Coke-related items not held by the Coca-Cola company.

Mass graves and Victorian monuments mark the history of Memphis in this 19th century cemetery.

This boulder stays on its mountain thanks to a huge chain and on the map due to local legend.

Elvis's own personal tropical hideaway.

All that's left of the quintessential "cabin in the woods."

An unfinished rail tunnel that has since been used to house cheese and bats.

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

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

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

Moonbows over Kentucky.