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

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

The world's longest known cave system.

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

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

Less a museum than a bizarre fantasy world created by artists and engineers.

A fitting attraction for the corn capital of the world.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

An astounding collection of medical specimens, including bits of President Lincoln.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

The king of U.S. high points towers over every other peak on the continent.

Life-size statues of characters from 'The Wizard of Oz' stand at the one of the early screening sites for the 1939 movie.

A renowned Civil War veteran, this Bald eagle now presides over the Wisconsin State Assembly.

This storied music venue was once a tavern that housed an Italian Anarchist book club and prohibition parties; today it's a community space for artists and musicians.

The oldest continuously-operating tavern in Wisconsin used a clever loophole to serve alcohol during Prohibition.

This circus town museum recognizes the outstanding clowns of history.

A bypass decorated with large wooden troll carvings.

A wonderfully curated used bookstore in an airport.

Statue dedicated to the star of an old television show.