The mayor made the declaration in 2004.

The world's first nuclear power plant is open to visitors looking to role-play a meltdown.

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

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

A wild west land agreement was etched right onto this historic Idaho stone.

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

A few dilapidated structures are all that remain of this deserted former silver mining town.

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

When in Idaho, sleep in a giant potato.

Despite his legacy of work in Spain, Cuba, and Florida, the larger-than-life writer's grave is a simple affair tucked in an Idaho cemetery.

A legal loophole makes it possible to get away with murder within this 50-square-mile section of Yellowstone.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

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

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

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

This museum glorifies the humble potato.

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

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

Home to the deepest rift anywhere on Earth.

Mark Twain once stopped at this rest station during his journey to Nevada.

A devilishly named gorge that was a sign of salvation for many pioneers.

The only retired U.S. nuclear missile silo that is open to the public.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

The easiest way to the highest point in Wyoming is only accessible via one hefty fee.