A petroglyph map of the upper Snake River carved by prehistoric hunter-gatherers.

The mayor made the declaration in 2004.

See just what life was like in a 19th-century prospecting town.

This cave was hidden for thousands of years, storing the worldly goods of ancient Native Americans.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

No one knows the origin of this small town’s unique name.

Get a taste of the Wild West and a glimpse into the gold rush in Goldfield's oldest continually-running business.

A turquoise lake within a volcanic crater.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

This 47-story "M" needed 20 years to be completed

In 1396, two Scottish clans that had been violently feuding for centuries finally faced off in a bloody battle in this park.

New Plymouth, Idaho is the only U-shaped town in the United States.

The view that inspired the scenes of Dracula's first landing in England.

Forgotten jail cells beneath this Scottish town hall are now used for delightfully artful storage.

The most loyal of little dogs, or a Victorian era publicity stunt?

360° views of the city plus five floors of optical illusions and hands-on science.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

Boise State's stadium was the first non-green football field in the world.

This quirky hot springs town known to locals as "T or C" was named after a radio show.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

Home with Gothic windows featured in a famous painting.

This replica small town lets visitors take a stroll through the story of progress in the U.S. via thousands of Americana artifacts.