For those going through a life transition, a place to leave behind a piece of your former self.

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

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

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

This giant steer-skull edifice refuses to die.

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

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

On the outskirts of a reborn ghost town, a decaying post office remembers the bad old days.

One of the largest, oldest, darkest, quietest motel rooms in the world.

A stealthy Apache hideaway that became the haunting site of a mass grave.

An homage to everyone's favorite prehistoric cartoon family.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

A reproduction of earth's many biomes.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Dramatic river bend surrounds a natural red-rocked pedestal.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Most-visited and most-photographed slot canyon in the American Southwest.

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

One of the most extensive and well-preserved collections of dinosaur footprints in North America.

This Arizona observatory is famous for investigations into Martian life, and as the place humans first spotted Pluto.

A century-old network of freight tunnels underneath the city's historic business district.

This bomb shelter-themed bar has barely changed since it opened.