A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

Jail from the 19th century that was built by inmates.

A black cottonwood gets a second life as a home for books.

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

When in Idaho, sleep in a giant potato.

Sweet Willy, at 30 feet tall, is the world's biggest beagle.

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

Home to the deepest rift anywhere on Earth.

Natural rock water slides hidden in the remote forests of northern Idaho.

This museum glorifies the humble potato.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

A desert settlement founded and later abandoned by Hawaiian members of the Church of Jesus Christ of Latter-day Saints in Utah's Skull Valley.

The extensive collection of an amateur naturalist.

This ancient cave is home to a museum, bar, and is filled with fluorescent minerals.

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

A museum in rural Utah documents the history of the Japanese Americans who were forcibly relocated there.

The highest peak in Utah is the hardest to reach, but only if explorers choose the hard way.

One of the world’s largest collections of petroglyphs records 2,000 years of human activity.

A tunnel with windows, so you don't miss out on the impressive views.

What's a diner from the 1939 World's Fair doing in a remote Utah mountain town?

Hundreds of drawings left by the land's previous inhabitants remain mysterious.