The strange phenomenon causing gravity to "work backwards" on this hill has been blamed on the paranormal.

Cave carved out of a huge snow drift collapsed killing one and injuring five in July 2015.

1920's mining camp and environmental education center is serving to protect the surrounding forest, one of the last of its kind in the Pacific Northwest.

Four abandoned towers hidden above the Douglas fir forest in Washington.

Hollowed out cedar log tubs set in an ancient towering forest.

"The Reptile Man's" very own roadside zoo features an albino alligator.

A 36-ton remnant of the last Ice Age now resides amid picturesque vineyards.

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

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

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

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

The wooden airship was the largest flying boat ever built.

Home of Howard Hughes' Spruce Goose.

Its 27 graveyards represent the many nationalities and ethnic groups that voyaged to this wilderness in the late 19th century.

The largest wooden building in the world now houses a fascinating collection of aircraft.

Here, cows that make vodka are treated like celebrities.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

This medieval village/restaurant perpetually celebrates the year 1376.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

An extraordinary mixture of natural beauty and man-made phenomena.

Beyond being incredibly fun, not much can be said about the Hole with certitude.

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.