World's largest collection of serial killer artwork and other macabre exhibits.

This grove of ghostly cedars was killed in 1700 by an enormous tsunami, felt from the United States to Japan.

Stumps of an Ice Age forest, visible only at low tide.

A historic landmark and museum filled with curious objects representing the history of Key West.

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

A sprawling cave network created by a lone lava tube.

Portland had a unique approach to Cold War-era protections.

No two pieces are exactly the same at Portland's hippo-themed hardware store.

A logging-themed roadside restaurant surrounded by museum-quality machinery and artifacts from the industry's heyday.

This historic steamboat is scuttled just a few hundred feet from where it was built over a hundred years ago.

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

Unknown to many, this sparkling turquoise lake hides amid Oregon's snowcapped mountains.

Two massive rock outcroppings on the Oregon coastline.

A volcanic fissure over two miles long and up to 70 feet deep.

A delightfully quirky blend of oddities spread throughout an old 1920s bank.

Formerly secret, precariously perched boulders.

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

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

Their motto is, "We've been bonkers for hats even longer than you have!"

This Oregon farm is dedicated to teaching people the professional art of tree climbing.

Delightful disarray of found objects and clutter.

Only known mainland rookery of the threatened Stellar sea lion.

Treehouse motel and treehouse-building school.

The longest and widest floating bridge in the world.