After the nearby mercury mine shut down, this town was abandoned and declared a Superfund site.

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

A century-old miner's quarters turned mansion.

An early 20th-century jail not far from the infamous Tombstone, Arizona.

The Grand Canyon’s original airport, which once welcomed pilots like Amelia Earhart and Charles Lindbergh, lies abandoned.

The handsome statue is a tribute to the post riders who traversed 52 miles of tough Arizona terrain.

This hidden gem in Arizona is truly worth the rugged journey.

These petroglyphs created by ancient Arizonians have withstood centuries of exposure to the elements.

This church on a Tohono O'Odham reservation has stood since 1797.

A giant mascot, a car bomb, and the mafia mingle in the history of a defunct restaurant chain.

The first steel dam in the world and the only one still functional in the United States.

A stone pillar commemorates the surrender of the extraordinary Apache leader.

This Native American settlement dates back to the Pueblo II period.

A strenuous, unofficial trail leads to spectacular views in one of America's most remote national monuments.

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.

A tribute to the statues of Easter Island along Route 66.

The graffiti-covered ruins of an abandoned trading post in the middle of Navajo Nation.

This huge dam across the Colorado River caused an armed standoff between two U.S. states.

Inside this garden, visitors are offered a glimpse into how inhabitants of the region survived centuries ago.

Make a wish at what might be America's only Catholic shrine to a sinner.

This quiet chapel was central to a community of settlers who reclaimed an abandoned fort.

Inside this store, a mysterious statue draws visitors from the world over.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.