Five miles of underground river link lake to ocean.

This curious fresh and salt water lake holds a secret that draws in deep divers from around the world.

A patch of Philippines forest devoted to saving the lives of an emotionally sensitive species of googly-eyed primates.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A huge musical instrument played by the ocean.

A blast of nostalgia awaits visitors to this miniature indoor raceway.

These markers are used to determine the ground stability of the Strip.

Decades' worth of lost and forgotten objects make up the collection of this tantalizingly odd little museum.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

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

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