An absolutely beautiful 200-foot stained glass installation traces the evolution of knowledge.

From this scenic rockface, you can still see the paths Western pioneers followed.

This erect, phallic geological spire wasn't always named so domestically.

An experimental, automotive replica of Stonehenge.

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

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

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

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

Every president in history is immortalized in bronze in downtown Rapid City.

South Dakota's oldest operating brewery is housed inside a historic firehouse.

This towering wooden Sasquatch was carved with a chainsaw.

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

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

The largest known adobe office building, emulating in style and layout the forms of traditional adobe architecture common to the region.

This century-old museum showcases New Mexico’s history through arts and crafts.

The tallest dam in Montana and top 10 in the country.

This was the first ever National Lakeshore, established in 1966.

A displaced shrine that was put back after a string of bad luck.

The peace and seclusion of Kyoto’s “Moss Temple” is no accident.

A giant "X" symbolizes the blood spilled from the brutal Juárez drug wars.

Natural catch-basin rocks covered in thousands of drawings spanning many millennia.

The house's confection-like decorations are the result of one man's painstaking work over decades.

A Bhutanese temple gifted from the isolated Himalayan kingdom is now a surprising cultural gem located at the University of Texas at El Paso.