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

This woodland architectural installation acts as a camera obscura for the heavens.

The metal spire on the roof of this tower was intended as an airship docking station, but it was never actually used.

In 1911 this intersection was called "the heaviest corner in the South," an outlandish claim that only grew wilder over the years.

Classy up your Big Mac with bow-tied servers and chandeliers at the world's fanciest McDonald's.

Once one of the largest producers of pig iron in the world.

This residence straddles a border between Belgium and the Netherlands.

In Tucson a giant metal snake helps pedestrians cross a busy highway.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

The unusual burial monument of Arizona's first governor.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

This sanguine boulevard was named after a deadly cowboy bar fight.

A motel dedicated to Southwestern nostalgia.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

A burnt-out motel with priceless Native American artwork in the basement, redeveloped into apartments.

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

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

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

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.

A sharp bend in a dramatic river canyon cut through red rocks.

A mysterious spirit totem at the edge of Navajo lands.

An homage to everyone's favorite prehistoric cartoon family.

A spiritual vortex among the red rocks in Sedona.