The second tallest railway trestle bridge in America.

The remains of a former logging boom town, crumbled away in the forest.

The century-old remains of an abandoned farm town in eastern Washington.

A nearly abandoned 19th-century town on the Palouse.

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

This Seattle store is packed with all sorts of curious creatures and creations.

Hundreds of hopeful gold miners came here to get rich, but only two years later the small town was deserted.

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

This medieval village/restaurant perpetually celebrates the year 1376.

The tale of a strong-willed woman who stood her ground when the commercial world came rumbling in.

An obscure waterfall that looks like something out of a fantasy novel.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

A beautiful final resting place for some of the noteworthy deceased.

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

A short hike into the mountainside forest reveals a decaying 1890s town.

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

Stroll through a wonderland of stupendous moss-covered trees.

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