Stones speckled along Harris Avenue reveal hidden nuggets of the past.

This dilapidated ship carcass covered in trees is a striking sight.

Rustic natural hot springs in the deciduous rain forest.

This grove of ghostly cedars was killed in 1700 by an enormous tsunami, felt from the United States to Japan.

The only surviving piece of a submarine said to be the most decorated vessel in U.S. history.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

Train debris from the deadliest avalanche in United States history can still be found in the ravine where so many perished.

The site of the Wellington avalanche, one of the America's worst railroad disasters.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

Perhaps the world's only gas station inspired by a political scandal.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

A small, fascinating fire museum hidden in plain sight in an administrative building.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

A logging-themed roadside restaurant surrounded by museum-quality machinery and artifacts from the industry's heyday.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

This museum glorifies the humble 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.

After Havre burned down, the best place to build was under the ashes.

"Polynesia on the Plains."

With over 340,000 artifacts and counting, there is something for everyone, often called the "Smithsonian of the West."

A collection of huge, site-specific sculptures sitting in the Montana woods.

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

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

The century-old remains of an abandoned farm town in eastern Washington.