Museum dedicated to the art of cutting and polishing stones.

This life-size bronze statue remembers the tallest recorded human in his Illinois hometown.

This cemetery is all that remains of a school for "wayward" girls.

First known as the "Sample House," this construction mash-up was meant to be a living catalogue of building styles.

Man-made geyser that rises to the exact height of the Gateway Arch.

A historic and oft-filmed prison stands in a Chicago suburb.

Tour the luxe "glass cage" that inspired and unnerved the architecture world upon its debut.

Arguably the best example of an authentic Dutch windmill in the United States, rivaling its counterparts in the Netherlands.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

In the loving memory of a tragically deceased role-player this Illinois park is decked out with both dungeons and dragons.

To find the "unicorns of the deep" you've got to go downstairs.

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

A river with some unusual, and occasionally dangerous, habits.

World's second largest particle accelerator, where nature reveals its secrets.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

Honoring Italian greats from Joe DiMaggio to Rocky Marciano.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

This historic house museum that celebrates one of the world's most influential social reformers is also one of the most haunted locations in Chicago.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."