A dangerous narrow-gauge railroad once traced a route through this striking canyon.

The highest bridge in America was built for an almost unnervingly small amount of money.

There are eight natural springs around town, each with a slightly different taste.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The first declared National Monument in the United States.

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

When ecosystems collide in the arid Southwest.

No one knows exactly how deep the world’s deepest geothermal hot spring is.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

This building is a recreation of the gatehouse that separated Los Alamos from the outside world during the era of the Manhattan Project.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

A natural formation that resembles a camel resting in the New Mexico desert.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

A flat-topped butte that makes a constant backdrop for Western art.

The building stands within a quiet, postcard-perfect New Mexico village.

Site of the 1926 murder trial of Ernest Burkhart who was involved in the "Reign of Terror."

The colonial city's social history is reflected in its fanciful door knockers.

An ancient city hidden in the heart of the Sierra Nevada mountains.

In the heart of Medellín, an artsy urban complex sets the stage for demonstrations and protests.