A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

A tribute to the life and work of the beloved "Peanuts" cartoonist.

A popular tourist cave with a dark past.

"You don't need a rocket scientist to build a steam engine, but we've got one." -Museum docent on the credentials of a restoration volunteer.

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

NASA's leading space science lab started by a co-founder with deep ties to the occult.

Los Angeles's oldest cemetery allows visitors to trace the history of this proud city.

Sports history, made in the Arroyo Seco.

A Masterpiece with a Tragic History.

The world's largest wooden trestle stretches across this desert canyon in Anza-Borrego Desert State Park.

Erroneously called the world's tallest flagpole, this landmark is devoted to "good neighborliness."

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

A hand-built folk art installation covered with messages of God's love.

The sea once considered an ecological wasteland is now called "crown jewel of avian biodiversity" by scientists.

Oldest building in California still in use.

Version of the French Riviera destroyed by the sea.

The ghostly remains of an accidental sea.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

A music-filled, booze-soaked oasis in the desert.

A fake town founded by Western movie stars is now becoming a hip desert community.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

A remote crossroads honoring a fallen talent.

The so-called "Bridge of Thighs" in Palm Springs allows nudists to discreetly cross the road.