These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

The largest drain hole in the world.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

Exotic feline breeding compound and conservation center.

Quite simply the largest tree in the world (by volume).

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

Abandoned bridge hidden deep in the San Gabriel Mountains.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

Canyon walls shrouded in ferns.

An unfortunate geological resemblance to Satan has labeled this Pasadena gorge as a passage to the underworld.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

A Swedenborgian glass church surrounded by redwoods sits perched atop a massive landslide area.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

A strange house built only at night, with rumored mystic inspiration.

Towering basalt columns, a creation of fire and ice.

This sci-fi gazebo located in a Washington power town is made from old bits of industrial electrical equipment.

Bonsai trees that are up to a thousand years old.

Shoreline strewn with the remains of ghostly fallen trees.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.