This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

A towering bronze statue memorializes the founding father of postwar American conservatism.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

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

This spectacular track has run continuously since 1882.

This graveyard contains markers and monuments dedicated to some of the darkest chapters in Washington's history.

The American rainmaker and a burst dam.

Home of what was the largest hydraulic mine in the world, producing gold and the first diamonds in the U.S.

One of the largest trees of its kind in California.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

This futuristic bridge is one of the longest self-anchored pedestrian bridges in the world.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

Its original statue was deemed so ugly, locals called it “Scary Lucy.”

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

At the time of its completion, it was the tallest dam in the world.

Home to the deepest rift anywhere on Earth.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.