Sitting atop San Francisco's tallest hill, a cross honors the victims of the Armenian genocide.

Outside San Francisco lies a small clown cemetery and memorial.

Artist Jack Pierson made this surreal sculpture in honor of Wonder Valley, a countercultural community on edge of civilization.

Two groundbreaking brothers from Pasadena.

A modern frieze of ancient Grecian mythological figures playing a national pastime.

Sports history, made in the Arroyo Seco.

The first privately-owned space capsule to orbit and land carried a secret payload: a wheel of Le Brouère.

Outsider art or homage to aliens?

You don't want to get caught in this trap--or do you?

Part mural and part sculpture, this work of art sits in the middle of the Promenade, as if swimming in a river of asphalt towards the ocean.

California's longest-running tourist attraction is a stump.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

Etched into a dry lake bed, this massive directional indicator is accurate without magnets.

The Flatiron Building's storied West Coast cousin is a lot more into religion.

The echoes of a railroad town that solemnly mark the end of the line.

An homage to the man who built California's version of Venice.

With its peeling paint and faded sign, this theater-turned-recycling plant is a nostalgic relic of 1950s Americana.

Tucked away behind an unassuming set of shops is a must-see series of stunning murals.

This 252 step staircase offers stunning views of San Jose.

The first U.S. town to secede from the Union, only to vote themselves right back in.

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

I Street Bridge is the heaviest swinging center bridge in the United States.

A dry lake is what remains of a community founded on a real estate scam.

One of California's oldest continually used high schools has an interesting history, both on and off screen.