This school building was an extravagant show of wealth for a boomtown that mostly faded in the following decade.

A lingering bit of Space Race nostalgia lies in the middle of the desert.

An assortment of armored tanks and Howitzer cannons in the middle of the Sonoran Desert.

This ancient trail has claimed the lives of over 2,000 people.

A sharp bend in a dramatic river canyon cut through red rocks.

Birdhouses, peacocks, animal sculptures, and a graveyard are all found along this eclectic nature trail.

A volcanic core jutting above the plain between the Snake and Boise Rivers, a marker identifies the reference point for all U.S. Government Surveys in Idaho.

Some 46,000 years ago, a volcanic eruption led to a flooding event that carved this short canyon with steep vertical walls.

Rare and gorgeous birds abound in this protected wildlife sanctuary.

This Idaho state park boasts the tallest single-structured sand dune in North America.

The "Grand Canyon of Southwestern Idaho" makes a spectacular gash across the flat Snake River plain.

This popular pitstop lives up to its name.

This 19th century Sioux City candy company is the home of the Twin Bing, a historic, chocolate-covered treat.

Colorado's only true geyser is hidden within the San Juan National Forest.

A stretch of highway even lonelier than the so-called "Loneliest Road in America."

A hotel with a rich Wild West history of miners and bootleggers.

A wonderland of caves in eastern Iowa.

This former mining railroad is one of the best-preserved short lines in North America.

The second largest roadrunner in the world stands 11 feet tall in his West Texas town.

An artsy hidden staircase leads to breathtaking views of San Francisco.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

Found down a long dirt road, a sacred Mexican cenote and 18th-century hacienda remain hidden.

An abandoned 1920s-era stretch of cabins now overshadowed by the 66 Motel.

Two geoglyphs that are truly unique to North America.