Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

This set of three large, volcanic hot springs is a favorite haunt for intrepid divers.

A small flooded ghost town with a few scattered structures remaining.

Largest man-made excavation on earth!

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

This giant ice cream cone is the last remaining icon of a Salt Lake City staple.

The last SR-71 ever constructed.

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

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

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

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

The first declared National Monument in the United States.

A devilishly named gorge that was a sign of salvation for many pioneers.

A popular rock that acted as a waymarker for American pioneers.

This Wyoming town is fascinated by a particular mythical creature.

This rustic old building is said to be the most photographed barn in America.

A rare tour of a commercial jet assembly plant, held inside one of the largest buildings in the world.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

These machines have been collecting dust for decades.

The magic's in the hole!

10,000 flowered plants bloom in the City of Roses.

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

One of the world's tallest, oldest, and most disgusting chocolate cascades.