A tiny red pebble marks what may be the quietest outdoor spot in the United States.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Bits and pieces from the ill-fated Donner Party's winter cabins.

A wall of chewing gum moonlights as collective art.

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

This sandstone mansion was the home of two of Oregon's most important pioneers.

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

The magic's in the hole!

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

The oldest apple tree in the Pacific Northwest.

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.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The world-record holder for the longest bridge stretching continuously over water.