The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

The unusual burial monument of Arizona's first governor.

The cinder cone volcano with a less than complimentary name.

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

The final resting place of the Hunkpapa Lakota leader Tatanka Iyotaka, commonly known by the English translation Sitting Bull.

One of the largest, oldest, darkest, quietest motel rooms in the world.

An obelisk commemorating Lincoln's role in connecting the coasts.

This massive railroad spike celebrates the 1939 premiere of the movie “Union Pacific.”

In rural Iowa, an imported 19th-century windmill overlooks an unlikely enclave of Danish culture.

An homage to everyone's favorite prehistoric cartoon family.

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

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.

The so-called "Father of Las Vegas" had the city's first telephone installed in his office in 1907.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

The best Tiki bar in Las Vegas.

An exotic wildlife habitat right off The Strip.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

This abandoned horse racing track was an exercise in hubris from its inception.

A Saint Nicholas-themed ghost town in the Mojave desert.

More than 25 fully functional scale replicas of famous lighthouses dot the shores of Lake Havasu.

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.

This 1930s log cabin began as a taxidermy museum but is now a popular country music venue.