The sun acts as a key that only fits this giant keyhole twice a year.

Hidden in the back of a disused small town hotel is a dive bar shellacked with over a million pennies.

A visionary, futuristic sculpture in Los Angeles that never met its extraterrestrial potential.

This collector's home is a constant work in progress.

Fourteen curious and controversial white bunnies sit in a circle near Newport Beach City Hall.

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

A one-of-a-kind collection of a unique medium.

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

A walkable map of the world, made from soil and stone by one man.

A fascinating insight into daily life in the Eastern Bloc.

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

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

A bigger-than-life pun that has become a beacon of altruism.

The biggest pinball arcade in the world has over 600 pinball machines, and 300 arcade machines.

A hidden subterranean installation offers a view of the sky.

A striking 12th-century-style castle built on the edge of a cliff.

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

An unreal vintage shop that wears its dadaist influence on its zombie fish.

When the rain falls, this drain system turns into a musical instrument.

Walk over a 150 year old manhole.

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

Dozens of lights dangle from the branches of what may be the brightest tree in Los Angeles.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.