This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

These ruins of a pre-Columbian cliff village are among the most beautiful and well preserved in New Mexico.

An ode to South Dakota's state fish.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

This giant pocket watch is the third iteration of a local landmark that has been standing just off the Santa Fe Plaza for over 100 years.

Apparently, the whole cosmos emanates from this plain concrete tower.

The final resting place of the most famous outlaw in the Old West.

From a T-rex to a teapot, a cast of artificial fossils illustrates New Mexico's history.

This sculpture perfectly models the molecular structure of a drug that was never produced.

The only Native American comic shop in the world.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

It's easy to see why this eclectic architectural wonder has been dubbed the "Spaceship House."

A sprawling collection of over 106,000 toys from around the world.

Eat like pre-Columbian Native Americans in this New Mexico restaurant within the Indian Pueblo Cultural Center.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

The final resting place of the Hunkpapa Lakota leader Tatanka Iyotaka, commonly known by the English translation Sitting Bull.

Owned by Native American women, this brewery is a celebration of indigenous culture in the American Southwest.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

This stunning concert hall has become a symbol of Iceland's national recovery.

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.