A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

These structures were inspired by both Native American shelters as well as, strangely, an ice cream shop.

The Route 66 institution that inspired Taco Bell also served as an important headquarters for Mexican-American social movements.

This hands-on math museum believes in turning concepts into constructs.

A macabre tour of Hollywood’s deadly history.

The last of its kind in the country.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

An homage to the man who built California's version of Venice.

The real faces of Venice beach captured on Romanesque columns.

Perched high atop telephone poles is an uncanny outdoor art gallery that greets passersby on their commute.

The exterior of this home was used for the hit television show, The Brady Bunch.

A cake-themed art installation tucked away in historic Chinatown.

A classic American barn that was the home of a classic American television star.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

Perhaps the most unique of any Frank Gehry design for one simple reason: Gehry himself actually lives here.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

This traditional garden in the San Fernando Valley doubled for Star Fleet Academy, and is irrigated entirely by wastewater.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

World's largest collection of serial killer artwork and other macabre exhibits.

Making Ice Cream Hip Since 2008.

Two groundbreaking brothers from Pasadena.

Sports history, made in the Arroyo Seco.

A landmark for a trailblazer for female architects and the designer of one of the most famous and opulent buildings in California.

A rare surviving example of a pre-WWII Japanese garden, restored after years of neglect.