Once the central jail for Los Angeles, this building housed inmates like Al Capone, those arrested from the Zoot Suit and Watts Riots, and individuals imprisoned for their sexuality.

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

This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

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.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

This Hollywood dive houses a mural painted by the artists who animated its namesake film.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A museum dedicated to the alleged Roswell Incident.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

A multi-storied adobe complex has been inhabited for more than a thousand years.

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

A motel dedicated to Southwestern nostalgia.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

This is one really big nut.

Nature's biggest mammal swims in landlocked Oklahoma.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

Elvis's own personal tropical hideaway.

A small car graveyard sits in the shadow of the famous Cadillac Ranch.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

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

Over the course of its history, this tiny island has held enslaved people in transit and served as a quarantine zone. Today, it's a giant tortoise sanctuary.