This massive redwood tree has a hole in the base big enough to drive through.

Her final resting place was intended to be modest and private, but the power of her popularity continues to draw visitors.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

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

Abandoned bridge hidden deep in the San Gabriel Mountains.

The largest permanent Monopoly board makes one of the longest games even bigger.

Everyone remembers Laurie Strode from Halloween, but this is the house where most of the blood was shed.

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

A 300-ship graveyard, with a few still visible at low tide.

Sister store to the Echo Park Time Travel Store.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

Magical-looking cottages that inspired one of the most famous animated films ever.

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

The now-abandoned tunnels were built for the transcontinental railroad on the route where the first wagon train entered California.

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

An inconspicuous footbridge beloved by San Diego locals.

A ghost town at the airport is now a refuge for blue butterflies.

Visible below the waves are memorials to the city's Gold Rush dead.

The remains of the first punk club in L.A.

This glamorous old building is said to have inspired the Tower of Terror.

Historic funicular railway, believed to be the shortest railroad in the world.

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