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

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

On the Oregon coast there is a natural hole that seems to be draining the sea.

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

Most-visited and most-photographed slot canyon in the American Southwest.

Rippling sand dunes frozen in the Arizona rock.

A psychedelic labyrinth on the San Francisco bay.

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

An artsy hidden staircase leads to breathtaking views of San Francisco.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

A huge musical instrument played by the ocean.

Enormous lake at the bottom of a unique cave system.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.