This Elizabethan hedge maze is one of only six in North America.

Treehouse motel and treehouse-building school.

This strange hill on Old Fort Road where gravity works in reverse has been fascinating locals for years.

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

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

Rustic natural hot springs in the deciduous rain forest.

Remember that scene in the Matrix, when Neo is in the big white room with all the weapons flying by? Well, this is what it would look like if he had wanted trees instead of guns.

A giant Troll lurks under one of Seattle's oldest bridges.

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

A fine, large-aperture telescope available for public use.

The first North American landing spot for James Cook on his third voyage of discovery in the Pacific.

100-year-old shipwreck you can walk up to at low tide.

Mountain known by the Tillamook Tribe as "the place of the supreme deity."

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

Two massive rock outcroppings on the Oregon coastline.

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

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

Home of Howard Hughes' Spruce Goose.

Home to the only outdoor municipal elevator in the United States.

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

A beautiful 62-acre Catholic shrine and botanical garden.

World's only nuclear reactor operated by liberal arts undergraduates.

Delightful disarray of found objects and clutter.

Tens of thousands of tiny birds swarm into one school chimney every fall.