World War II-era Nazi compound nestled in the Santa Monica hills.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

In one Santa Monica parking lot a mushroom cloud made of chains heralds a message of peace.

60 feet of towering steel balances gracefully.

The largest collection of two headed animals in the world.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

A three-story, three-dimensional hobo clown in a tutu welcomes CVS shoppers.

A lonely Gondola stuck on a traffic circle sits in a spot where it once would have floated down the Grand Canal.

Perhaps the most unique of any Frank Gehry design for one simple reason: Gehry himself actually lives here.

A free library to stumble across, one of many placed worldwide if you know where to look.

A British pub embodies the spirit of a California legend.

Sports history, made in the Arroyo Seco.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

Shop selling 500 flavors of soda has something for everyone.

Wild West history in Hollywood style.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

Jesus' footprints and the first catacombs in the world.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Rome’s legendary peephole vista is also a former Crusader stronghold.