The most unique castle in all of Southern California, entirely constructed from repurposed materials.

The tragedy of the Japanese internment camps is remembered here by a stark "Soul Consoling Tower."

This rock formation named for its unique shape is one of many that call the Alabama Hills home.

A 19th-century cabin built into a hollowed-out Sequoia tree.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

The rocks in this arid basin leave trails of movement behind them.

This old mining town, deep in the California desert, has a year-round population of one.

One of the most unusual geological features, recognizable from a dozen hit movies.

This unique graffiti art from the 1940s has become a staple of this local landscape in the remote California desert.

On a barren hillside in the Yucca Valley, the recently restored Desert Christ Park has attracted pilgrims and kitsch hunters for over 50 years.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

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

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

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

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

The beautiful 1920 Pantages Theatre remains hidden just underneath the LA Downtown Jewelry Exchange.

Sports history, made in the Arroyo Seco.

A Masterpiece with a Tragic History.

A cobblestone alley with an interesting past.

One of Hollywood’s favorite government buildings.

Former 1954 Del Mar Train Station now serves signature cocktails and delightful culinary treats, and still operates as a Metro stop.

A newspaper building that made radio history.

Colorado Boulevard’s historic bookstore, operating since the bustling city of Pasadena was merely some orange groves and a few ostrich farms.