Hidden in a hotel parking lot is a strange historical plaque erected by an obscure fraternal society.

California's oldest existing theater building hosted an impressive cast of celebrities, including hosting Mark Twain's first lecture.

Sleep beneath the big screen at this old-school movie theater.

This sci-fi gazebo located in a Washington power town is made from old bits of industrial electrical equipment.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

Nuclear reactor created the plutonium used on Nagasaki.

Mountain known by the Tillamook Tribe as "the place of the supreme deity."

Two massive rock outcroppings on the Oregon coastline.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

The largest wooden building in the world now houses a fascinating collection of aircraft.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

The flow from this waterfall sometimes comes out of springs below its rim.

Centuries of biking history are nestled in the shadow of the birthplace of contemporary mountain biking.

Frank Lloyd Wright died a year before construction on his largest public project even began.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

A natural dome made of volcanic glass in Inyo National Forest.

The hundreds of movies and television shows shot in this high desert town are commemorated in a unique museum.

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

The remains of a boarding school designed to forcibly assimilate Native American children.

Don't blink or you'll miss it.

A tribute to the statues of Easter Island along Route 66.

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

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.