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

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

This is not your typical jungle gym.

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

Medical museum focused on antique anesthesiology equipment.

Museum dedicated to the art of cutting and polishing stones.

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

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

This sprawling mini-golf empire is an impressive testament to a disappearing attraction.

A science teacher's dream.

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

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

An enormous park-like oasis, full of famous Chicagoans' graves.

Cemetery featuring rare glass-fronted columbarium.

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

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.

While he no longer has an eatery to give him context, this off-brand Paul Bunyan still holds his giant hot dog with pride.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

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

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

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

The world's largest covered wagon is piloted by a giant Lincoln lawyer.

The history of funerals and funerary customs.

Hot Doug's "Hot Dog" Stand.