The site of the Wellington avalanche, one of the America's worst railroad disasters.

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

Four hundred granite steps were built into this massive rock by the National Park Service.

Quite simply the largest tree in the world (by volume).

One artist's yard is full of shining, whirling kinetic sculptures that look like pure steel psychedelia.

The cardinal directions, set in stone.

An extraordinary collection of aircraft and spacecraft on display at the original site of the Boeing Company.

This unique library spans a mighty river.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

A giant Troll lurks under one of Seattle's oldest bridges.

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

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

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

This scenic gorge is named after one of the most famous Bigfoot attacks in pseudohistory.

Shoreline strewn with the remains of ghostly fallen trees.

A glimpse into the "Logging Capital of the World" at a time when there was far more forest and far less machinery.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This historic bridge connects Whidbey Island to Fidalgo Island across whirlpool-filled waters.

Former farm staffed by mental patients is now a public park.

An old dining hall now serves up ghost stories for lusty locals.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

A toxic ghost town sitting atop a massive coal fire.

A eight-foot-tall statue resides in the heart of Pennsylvania anthracite coal country.