A giant knight, sex education, date shakes, and Jesus coexist happily in this Coachella Valley desert oasis.

Everything you always wanted to know about borates is here.

This nonsensical smiling boat shuttles passengers between two places they could've easily walked between.

A Masterpiece with a Tragic History.

Concrete strongholds stand guard over the Golden Gate.

The Citrus Variety Collection at UC Riverside contains two trees of each of the 1,000+ varieties of citrus.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

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

This centerpiece of the Hollywood & Highland shopping center is a recreation of a long-lost movie set.

The decor of this Hollywood movie palace just barely predated the opening of King Tut's tomb.

A stellar example of Art & Crafts architecture, and a movie set to boot.

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

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

The blinking light atop the iconic landmark has been sending secret messages for decades.

Colorful Native American paintings are hidden within this small cavern.

A popular winter vacation destination for migrating monarch butterflies.

California's oldest wind harp represents a historic piece of America's Danish history.

The California capital city once stood 10 feet lower than it does today.

Oldest building in California still in use.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

This former stomping grounds of the most eminent astronomers of the early 20th century.

A glittering South Asian anomaly in a wealthy Los Angeles suburb.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

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