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

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

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

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.

The highest point in Washington state is a volcano covered in glaciers.

A 1940s nuclear reactor built to produce plutonium for the Manhattan Project.

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

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

A monument stands at one of the starting lines of the Trans-Canada Highway, formerly the longest uninterrupted highway in the world.

At the most northwestern point of the contiguous United States lies a trail leading through an ancient forest to stunning cliff-side vistas and massive oceanside caves.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.

Sleep beneath the big screen at this old-school movie theater.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

One of the first intercontinental ballistic missile sites in the United States.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

A fitting attraction for the corn capital of the world.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

At the time of its completion, it was the tallest dam in the world.