While it is not equipped to peer into outer space this observatory looks like it was built on the moon.

One of two observatories in the U.S. that routinely detect gravitational waves.

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

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

The first declared National Monument in the United States.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

This graveyard is the eternal home of many brave pioneers who settled the Great Northwest.

A black cottonwood gets a second life as a home for books.

The first of the iconic American roadside attractions lives on as a college mascot.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

This railroad magnate's 19th century tower is more than a little bit out of place in the Nevada desert.

Sweet Willy, at 30 feet tall, is the world's biggest beagle.

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

This tree has witnessed nearly 1,000 years of history.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

A large wind turbine installation in central Washington State is home to an extensive set of interpretive exhibits.

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

Boats and fish both find their way through this massive hydroelectric structure.

Founded by Cliff Barackman of 'Finding Bigfoot' fame, this museum is dedicated to the study of North America's unacknowledged hairy woodland hominids.

This square in downtown Eugene is dedicated to the novelist and countercultural figure Ken Kesey.

A large, historic railroad trestle over the Columbia River is now open for non-motorized traffic.

A bust of the first president welcomes visitors to the only town in America called George, Washington.