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

A Roman-style column in Oregon hides a spiral staircase inside.

The magic's in the hole!

Portlandia is the second-largest copper repoussé statue in the United States.

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.

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

World's largest porcine hairball sits in a collection maintained by Benedictine monks.

Post office plaque commemorates local resistance to a cult invasion.

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

Massive crater in central Oregon.

A volcanic landmark located on an Ice age lake bed.

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