This museum houses two of Mexico's most impressive Aztec monoliths.

Hidden for more than a century, the grave of the Conquistador remains forgotten behind these church walls.

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

This incredible college library is a visual masterpiece of mosaic art. It also looks kind of like a giant boombox.

A barbarous band of serpents guard the bases of these Aztec temples.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

This small, unassuming street is now a canvas for color and creativity.

A geological mystery on Camelback Mountain.

A self-built castle made by a mysterious man.

Ever wanted to can Spam?

One of the first intercontinental ballistic missile sites in the United States.

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

This massive roadside mascot was the first version of the giant to illustrate his butt.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

A fitting attraction for the corn capital of the world.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

It was once the base for a series of domestic terror attacks.

Atop this media building, two hives containing more than 30,000 bees keep the surrounding area vibrant.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The "lovely red Vega" of the legendary record-settling pilot.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.