A sprawling cave network created by a lone lava tube.

An island said to shake with the current.

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

This nature center has one of the largest collections of native raptors in the Pacific Northwest.

This former mining hub holds a surprising abundance of undisturbed relics from the Old West.

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

A Victorian-style home known as the “Castle on the Hill.”

Formerly secret, precariously perched boulders.

Rushing water plunges over a 100-foot drop created by an ancient lava flow at this majestic waterfall.

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

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

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

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

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

An institution that preserves the history of institutionalization.

This little slice of the Netherlands in the Pacific Northwest blooms in a rainbow of color each spring.

Railways may have forged this quintet of lovely tunnels, but now they are open to hikers.

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.

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

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

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

The eerie remnants of an ancient forest were hidden under the sand for centuries.

A beautiful 62-acre Catholic shrine and botanical garden.

10,000 flowered plants bloom in the City of Roses.