Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

This historic stone barn is the former home of legendary cattleman Charles “Lonesome Dove” Goodnight.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

The warmth and creative kitsch of a quilt engulf every patron who visits.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

On the Oregon coast there is a natural hole that seems to be draining the sea.

Only known mainland rookery of the threatened Stellar sea lion.

Fifty years after a “blast blasted blubber beyond all believable bounds,” this idyllic natural area commemorates the carnage.

According to legend, this rock represents a young girl trapped by an evil ocean spirit.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

In this subterranean brick arcade, a small shop continues the ancient practice of bookbinding.

A walk through the historic city center, under the streets of Seattle.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A wall of chewing gum moonlights as collective art.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

This general store is a one-stop-shop for workers at the Prudhoe Bay oil field.

This gravelly, dangerous highway is the only road in the United States that leads to the Arctic Ocean.

The northernmost truck stop in the United States.

The stickered marker pinpoints where the only maintained road in the United States crosses into the polar region.

A trading post in the North Pole where children send letters.