The final resting place of a space program monolith.

The largest drain hole in the world.

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.

In a city filled with Frank Gehry buildings, one stands out as one of the architect's weirder works.

The remains of a ruined mansion memorialize the 1906 earthquake.

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

Small museum packed with artifacts recovered by the man rumored to be the real-life inspiration for Indiana Jones.

In this century-old literary safehouse, print is alive and well.

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

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

This grand mansion has starred in everything from Bones to Buffy.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

The programmatic glory of LA's giant whiskey barrel building has become an upscale reminder of the city's kitschy roadside past.

A meditative space out of a fantasy story.

Sister store to the Echo Park Time Travel Store.

A faux European lane smack dab in downtown L.A.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

The ghost town that ended up on Ebay.

Most famous work of one of Frank Lloyd Wright's sons.

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

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

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

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