A tunnel with windows, so you don't miss out on the impressive views.

Dig for your own trilobites in this goldmine of invertebrates.

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

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

This collection of over 50 classic pinball machines awaits visitors to downtown Roanoke.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

This abandoned prison castle has become an imposing gallery of graffiti art.

The ruins of Theodore Roosevelt's beloved ranch stand in a forgotten corner of a national park named after him.

Chef Lawrence West serves up Indian tacos, wojapi, and other Lakota dishes at the brick-and-mortar incarnation of his popular food truck.

The face of the famed flier in a hillside in her hometown.

The first home of the doomed aviatrix Amelia Earhart.

A wonderful collection of all things Oz is nestled in the heart of Kansas.

One home in the historic strip hides secret compartments and the ghostly songs of long-gone canaries.

The old fire tower is one of the last of its kind in the United States.

After Havre burned down, the best place to build was under the ashes.

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

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

A multiversal transit station located right below a highway interchange.

This dynamic entertainment venue brings a much-needed funkiness to the region with its bizarre art, eclectic films screenings, and peculiar performance pieces.

After being lost for nearly a century, this historic bell finally returned home after its mysterious theft.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).