One of America's oldest stadiums was also the site of one of the most brutal anti-labor acts in American history.

This striking church was built from a Frank Lloyd Wright design more than a decade after the master architect's death.

Out of a desire to feed hungry soldiers, a franchise-altering idea was born.

This open-pit mine is now an abandoned symbol of Bisbee's copper-mining heritage.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

The remains of a boarding school designed to forcibly assimilate Native American children.

During World War II this was the site of an "honor camp" used as a prison for draft dodgers, Native American conscientious objectors, and Japanese-Americans—including a man who brought his case against the camp to the Supreme Court.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

This historic pink parlor keeps Phoenicians cool with homemade, retro ice creams.

One of the best-preserved ghost towns in Arizona speaks to the difficulties of establishing mining towns in the 19th century American West.

A historic hydroelectric power plant serves as the unusual backdrop for a public park.

An excursion train traverses a picturesque red-rock canyon along the Verde River.

This small interfaith chapel lies not far from the rim of the Grand Canyon.

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

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

This mesmerizing and surreal landscape features intricate patterns of white and red sandstone.

An out of this world experience.

The remnants of a creative early method of wildfire prevention.

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.

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

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

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

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

The largest copper mine in Arizona, this enormous open pit emerges from the hills like an alien landscape.