The mysterious white squirrels of this Illinois city are treated like sacred cows.

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

A small abandoned and abused cemetery that has become a magnet for ghost hunters.

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

Cold War missile launch site which has been converted to a public park.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

The legacy of an unsolved, gruesome murder rests beneath the spans of this historic bridge.

A beloved Chicago music venue offering cold beer and lots of “Friendly."

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

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

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

Beloved bar home to musicians of all eras and reputations.

A century-old network of freight tunnels underneath the city's historic business district.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

Taxidermy, Cigar Store Indians, A Model of a New York Tenement and Delicious Draft Root Beer.

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

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

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

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

First planned industrial community in the United States.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

Pizza with a side of fine art.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.