A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

An entire town preserved as a historic landmark.

New fungal and bacterial species call this deadly lake home.

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

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

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

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

The unbelievably opulent home built for an infamous newspaperman.

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

Drink a Guinness under the wings of Reagan's retired Air Force One in his presidential library.

The White House Situation Room was taken apart in 2006 and shipped to the Ronald Reagan Presidential Library.

From Japan to Italy, this California park explores the world's cultures through their gardens.

The beloved dining spot stands at the cross-section of Hollywood and the Old West.

The show's fictional Korean medical camp was created in the Santa Monica hills.

A 1950s Googie burger stand is now a Los Angeles landmark.

The quiet canyon has a tumultuous history involving a doomsday cult.

The ruins of the movie ranch owned by actor and stuntman Ray "Crash" Corrigan.