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

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

An antiquated German apothecary on Chicago's North Side.

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

This structure among the trees was the result of divine inspiration.

This abandoned nuclear cooling tower casts a shadow over a bucolic town.

This park contains one of the largest concentrations of cedar glades, a unique and rare ecosystem.

This defunct, fortress-like prison has been the setting for several movies.

This former maximum-security prison is creepy, sobering, and supposedly haunted.

The secret city built by the Manhattan Project.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Enormous lake at the bottom of a unique cave system.

An abandoned theme park with a strange and tumultuous past.

A former 19th-century tavern, famous for its peach brandy and honey concoction.

Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

Everyone and everything one man ever loved and lost, now stare into the East for all eternity.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

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

An obscure public service from the U.S. government that redeems burnt, moldy, and soiled old greenbacks.

Home to items never before seen by the public.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.

The land is home to swimming ponies and a legendary 18th-century treasure.