Colorful Native American paintings are hidden within this small cavern.

An improbable creek near Death Valley, not far from the oldest surviving Euro-American structure in the Mojave Desert.

A mysterious and endangered parasitic herb from the California desert.

This secluded date farm can be reached only by following a bumpy, single-lane desert road.

Peek inside this sandy mailbox and you'll spot kids' letters to Santa.

A relic from a forgotten bakery chain still spins atop a diner.

A unique shopping and dining park created from old shipping containers and filled with local businesses.

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

Etched into a dry lake bed, this massive directional indicator is accurate without magnets.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

This weird abode has inspired everything from the "House on Haunted Hill" to a robot hunter's pad.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

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.

Resting place of Hollywood's immortals is also site of summer film screenings.

Most famous work of one of Frank Lloyd Wright's sons.

Dozens of feral felines rule a segment of Hollywood's only graveyard.

This forgotten Frank Lloyd Wright house is an architectural marvel at the end of a sleepy residential street.

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

This glamorous old building is said to have inspired the Tower of Terror.

A mining camp built around an unexpected occurrence of silver.

A cosmic pit stop just beyond the notorious Area 51.

A spectacular slot canyon at the northern edge of Lake Mead National Recreation Area.

This mostly abandoned shopping outlet is now adorned with beautiful graffiti and murals.