A surreal, Gaudi-inspired play space near an Anaheim community center.

The design of this ornately decorated place of worship closely mirrors a church in Vietnam.

A small, peaceful sculpture garden with a grim memorial to a disaster that took place a few blocks away.

Working mining and drilling equipment demonstrate 150 years of energy history.

An unexpected and peaceful oasis on a hillside.

About 80% of all U.S. avocados are descendants of Rudolph Hass's glorious tree.

Explore an early California pioneer's rancho hidden in LA's manufacturing hinterland.

This mysterious and creepy location instills a strong sense of foreboding in all visitors.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

Fans of the spicy bright-red sauce can tour where it's made.

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

The helicopter that "Tricky Dick" absconded from the White House in on his last day in office.

A museum dedicated to restoring vintage aircraft, located at a working airport.

A shockingly detailed small scale recreation of the temples of Abu Simbel.

A living museum dedicated to the legendary woodworker and his soulful furniture.

Abandoned bridge hidden deep in the San Gabriel Mountains.

Where decommissioned airplanes and helicopters go to become part of Hollywood.

The remnants of a failed socialist commune can still be found just off a California highway.

See four top-secret US spy aircraft of the Cold War era, including the legendary SR-71 Blackbird and the A-12 Oxcart.

Built by one man in the '20s, this site is now a museum representing the Great Basin cultures.

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

These colossal desert barcodes have been fine-tuning spy satellites for decades.

Everything you always wanted to know about borates is here.

This impressive tunnel was dug entirely by hand over the course of 36 years.