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

A Roman-style column in Oregon hides a spiral staircase inside.

One of the last functioning antique elevators in Chicago.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

This shop for all your super spy needs hides an educational secret.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

Home with Gothic windows featured in a famous painting.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

An Iowa town celebrates its heritage with the tallest working Dutch windmill in North America.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

A fitting attraction for the corn capital of the world.

A monument to the forgotten French explorers and their landmark expedition.

An impressive collection of farm equipment and other artifacts from life on the prairie.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

Amazing taxidermy dioramas from the 1960s in a cement building meant to look like an ice cave.

Beautiful waterfalls grace a canyon visibly torn by a violent tornado.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

Paths are maintained, but trees have taken over plots.

Once the most flame resistant building in the country, the South Carolina Historical Society building was almost burnt down in a fire.