This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

One of two side-by-side totem pole parks dedicated to educating visitors on Tlingit history and culture.

This historic collection of Native Alaskan artifacts was resurrected through a partnership between the WPA and tribal artisans.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

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

A fake mine that was made using real mining techniques which is also used as a community center.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

Legends surround this jagged rock formation in the New Mexico desert.

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