A 40-foot waterfall hidden in a desert oasis.

This Old West hotel, the longest in continuous operation in the state of Arizona, is claimed to be haunted.

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

The lobby of this hotel near the U.S.-Mexico border features a stained-glass mural that measures 42 feet long and 6 feet tall.

Dozens of elaborate works of automotive art have been preserved at this Arizona museum.

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

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

This simple highway curve has become a comedic pilgrimage site.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

The centerpiece of the Delta Blues Museum is a wooden sharecropper’s cabin that once housed a titan of blues music.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

This dreamlike museum is filled with the works of an influential surrealist artist whose name you may have never heard.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

Is this 47.7-mile stretch of highway the longest straight road in the United States?

A hand-built folk art installation covered with messages of God's love.

Where the Millerites gathered to watch the end of the world in 1844—and left disappointed.

An enormous, inside-out glass globe built in 1935.

Extraordinary sculpture garden created by an eccentric English poet.