Bits and pieces from the ill-fated Donner Party's winter cabins.

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

The largest island on the great salt lake is home to curious creatures and strange stories.

Only known mainland rookery of the threatened Stellar sea lion.

Lighthouse-cum-columbarium where "Nor'easters" and grandma go to die.

A massive sea stack famous for its appearance in The Goonies.

Two massive rock outcroppings on the Oregon coastline.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

The four tall pillars once marked the entrance of the historic Seattle church that fought for women's suffrage and civil rights.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The residents at this Yellowstone wildlife park will certify your cooler as "bear-proof."

Contractors in this Oregon town have been stamping their names in sidewalks since 1908.

Home of Howard Hughes' Spruce Goose.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

The longest continuous lava tube in Oregon.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

Come for the speed, leave in love with the desert.

"Enter and be entertained or annoyed by Dada in Walla Walla."

A sculpture for the sun and stars, created by Nancy Holt.

The world's largest dead polar bear, immortalized by taxidermy and Hunter S. Thompson.