The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

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

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

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.

The largest natural travertine bridge in the world is nestled in a small canyon in central Arizona.

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

A secret fresh water spring for animals and humans alike hidden along the most famous road in the United States.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

A hotel with a rich Wild West history of miners and bootleggers.

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

Owned by Native American women, this brewery is a celebration of indigenous culture in the American Southwest.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

The phrase "the shot heard around the world" was coined after a skirmish at this bridge.

The poems Nathaniel Hawthorne and his wife Sophia etched into its windows are still visible today.

Louisa May Alcott based “Little Women” on her experiences growing up in this house with her sisters.

A once popular resort—said to be the vacation spot of gangster Al Capone—now remains abandoned in the woods of Arizona.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

High in the Rockies the third largest statue in the U.S. opens her welcoming arms, and lights up the night sky.

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

A sprawling collection of over 106,000 toys from around the world.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.