Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

Colorado's only true geyser is hidden within the San Juan National Forest.

This spectacular track has run continuously since 1882.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

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

Thousands of glyphs created by an unknown culture decorate the rock formations of this canyon.

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

John Wayne, Ronald Reagan, and other Hollywood actors have resided in this picturesque Route 66 hotel.

The oldest continuously occupied public building in the United States.

The hallowed remains of a 900-year old Ancestral Pueblo great house.

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

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

Every year, festive decorations appear on this juniper tree located in the median strip of a busy highway.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

A maze-like landscape of globular rocks surrounding two Arizona lakes.

An ambitious developer built what was once the world's tallest fountain in a Phoenix suburb.

Browse an impressive collection of passenger and military aircraft dating back to World War II.

Four tons of weapons merge together in a memorial against violence.

A kaleidoscope gallery and steampunk emporium named for a pioneering journalist.

This Old West hotel, the longest in continuous operation in the state of Arizona, is claimed to be haunted.

Nothing to see here.

Millions of years of erosion created the feature for which this rock formation is aptly named.

Once disputed as the largest sundial in the world.

At an isolated roadside rest area stands a monument marking where famous Western star Tom Mix died in 1940.