You thought Santa Claus didn't exist, but it turns out you were wrong.

If astronomy had a ghost, it would look like this observatory.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

Where NASA's satellites and rovers phone home.

A mysterious and endangered parasitic herb from the California desert.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

Experience a charming 1930's version of "infotainment."

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

"Only the devil could play golf here."

An enormous natural sandstone bridge in Kentucky.

Symbolic attempt to overcome the issues of life.

Ornate limestone building now filled with geologic specimens, and more.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

The only freestanding table rock formation east of the Mississippi.

A stunning, abandoned limestone quarry in southern Indiana provided the stone to erect the Empire State Building.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.