This simple highway curve has become a comedic pilgrimage site.

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

A remote desert lookout offers unparalleled views of the California badlands for those who brave the trek.

A massive volcanic plug is now a protected area that hosts a number of bird species.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Every weekend, people gather here for a brief chance to see their loved ones on the other side of the United States–Mexico border.

Salt is slowly eating away this abandoned saltworks town in the desert.

A monumental cross hides in the trees in Golden Gate Park.

A statue commemorate Tommie Smith and John Carlos's brave protest at the 1968 Olympics, a watershed moment for civil rights.

Outposts of this restaurant chain were shaped like jaunty chapeaus.

This enormous World War II relic is one of the largest wooden structures in the world.

The Giant Lemon of Lemon Grove.

This historic tower in the California desert promises visitors a "vortex of good vibes".

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

Oldest building in California still in use.

Version of the French Riviera destroyed by the sea.

An vast warehouse of everyday treasures in Berkeley, CA.

Semi-recognized center of the world, with many oddities.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

Longtime headquarters of controversial boys' club for the world's wealthiest and most powerful.

Ancient human, animal, and geometric figures drawn in the earth.

A world-class observatory in the California desert.

Megachurch turned Catholic church comprised of 10,000 glass panes.

Golden Gate Park's historic collection of plants.