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

This family driveway also serves as the highest point in Illinois.

This softly rounded mansion was built without corners not to avoid evil spirits, but to make them more comfortable.

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

The famous author's birthplace is preserved in a town that he once described as narrow-minded.

This abandoned 19th century orphanage started as a boarding school for children of Civil War veterans.

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

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

The final resting place of the world's first nuclear reactor.

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

The face of a woman pushes its way through the earth.

With 8,000 pipes this giant instrument is the most versatile theatre pipe organ ever built.

A military museum and library dedicated to the citizen soldier.

Hot Doug's "Hot Dog" Stand.

Illegal drag racing two stories beneath Chicago’s streets.

A strange rock in Chicago marks the spot where a tree once stood in honor of the 18th President.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

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

Orthodox church partially financed by Tsar Nicolas II.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

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

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.