Treehouse motel and treehouse-building school.

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.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

This charmingly homemade amusement park has been growing for 40 years.

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

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

Private collection of art inspired by cabinets of curiosity.

This frequently-photographed waterfall takes only a short hike to visit.

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

A heavenly experience, right here on Terra Firma.

A beautiful 62-acre Catholic shrine and botanical garden.

An emporium for the weird, creepy, rare, and just plain gross.

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

The seamy, underground secrets of Portland's criminal past.

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

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

On the Oregon coast is a natural hole that seems to be draining the sea.