One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The largest permanent Monopoly board makes one of the longest games even bigger.

An extensive collection of ancient Egyptian artifacts and mummies.

Successful artist residence program has filled this ranch with dozens of sculptures over the years.

This unique formation appears as though an asteroid landed on the forest.

This massive redwood tree has stood in Northern California for nearly 2,000 years.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

This rare, carefully curated collection showcases the history of neon inside a grandiose Elks lodge.

The short-lived railroad town in central Oregon has been abandoned since the 1930s.

An out-of-the-way state park in Oregon that features both a picturesque waterfall and the ruins of a hydropower plant.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

Approximately 50,000 gallons of water gush from these springs, creating the Metolius River.

A sprawling cave network created by a lone lava tube.

Bridges, terraces, and replicas of historic structures all built of rock and petrified wood by one man.

The world's last remaining store of its kind.

Unknown to many, this sparkling turquoise lake hides amid Oregon's snowcapped mountains.

Atop an active stratovolcano, two lakes separated by a narrow strip of land.

Eat like a "buckaroo" at this remote restaurant.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

A tourist attraction founded around a slumping cabin.

Sasqu(w)atch out!

This natural marble cave is one of only five national monuments in Oregon.