The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

The abandoned personal amusement park of the King of Pop.

San Francisco Bay's ghost town.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

No matter what it might seem like on film, most scenes filmed on a plane are filmed at this LA studio.

San Diego's most historic and haunted home.

One of the ghostly stops along Route 66.

A "Titanic" superfan changed his name to Jack and set up this strange shrine to the blockbuster, complete with Korean food and Tarot readings.

The largest drain hole in the world.

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.

The ghost town that ended up on Ebay.

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

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

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

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

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

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

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

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.