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.

A home made entirely from scrapped, reclaimed and recycled material in Whitman County, Washington.

Protected from the elements, these Native American rock paintings have survived approximately 250 years.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

3/4-scale model of the White House in Atlanta, Georgia.

In Midtown Atlanta, tons of marble appears to be devouring a Fiat Panda at this unique art installation.

This old school, eccentric, and independent video rental store refuses to die.

Developers built a Walmart around one family's plot and constructed a mausoleum in the parking lot.

This stone is a marker of one millionaire's personal vendetta against gravity.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

The house that Southern rock built now stands as a monument to one of the genre's favorite families.

Like Mars, but much closer.