Visitors to this library are in for a real-world education in modernist architecture.

A multi-storied adobe complex has been inhabited for more than a thousand years.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

This centuries-old pueblo church houses the body of a Franciscan friar who is said to be a rare "incorruptible" corpse.

This popular pilgrimage site offers a hole filled with holy healing dirt.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

Marta Becket's hand-painted theater in the desert.

Come for the speed, leave in love with the desert.

Experience a charming 1930's version of "infotainment."

The drama of nature in full effect in this Nevada State Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

An entire town preserved as a historic landmark.

This playground sculpture of an icon from the past is dedicated to the children of the future.

This amazingly preserved Gold Rush town is a historian's dream.

Long before guestbooks and hotels, frontier travelers signed their names on this rock face.

Miraculous tree that seems to sprout out of solid rock.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

One of the smallest towns in the United States.

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

The only road through the heart of Glacier National Park.

New fungal and bacterial species call this deadly lake home.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.