This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

The only road through the heart of Glacier National Park.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

The rocks of a certain area of Butte, Montana give off a musical ring when hit.

New fungal and bacterial species call this deadly lake home.

This amazingly preserved Gold Rush town is a historian's dream.

This pop-culture shop also offers the chance to become part of their favorite tv show or movie.

This oddity shop contains everything from antique tools to a human skeleton.

After this former brothel closed, its interior remained almost frozen in time.

It was once used as a classroom to teach mining skills to local high school students.

Three generations of intrepid collectors display their curious artifacts in a homemade museum right next to the caves they discovered.

Home to a timed geyser created by complete accident.

The largest outdoor art gallery in the Northwest United States.

A museum dedicated to the history and art of staying clean.

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.

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

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.

Home to the deepest rift anywhere on Earth.

This century-old confectioner's outlet store was plucked right out of the Seattle World's Fair.

This impressively large collection includes crackers shaped like Jimmy Carter, Mickey Mouse, and more.

Every summer West Seattle experiences a housing bloom.