This graveyard is home to the so-called "Witch's Circle."

The lowest point in the state of Illinois, at the confluence of the Mississippi and Ohio rivers.

This former nursery supplied plants for the creation of Chicago's largest park.

Tucked away amongst townhomes lies a restored, early 20th-century tea house and garden, the only remains of a historic estate.

This national park dedicated to the tallgrass prairie ecosystem still displays its military past.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

This lush 12-acre site was once named the finest Japanese garden in North America.

This titanic Catholic church in Chicago is also a refuge of the fictional cult-favorite wizard detective Harry Dresden.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

This cheerfully-named branch of the Chicago River is the fetid result of years of blood, entrails, and meatpacking waste.

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

An eccentric park and pool.

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

Illegal drag racing two stories beneath Chicago’s streets.

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

The multinational Burger King chain is banned from operating within 20 miles of a family restaurant filed under the same name.

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

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

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

A notorious Route 66 eatery once frequented by Al Capone.

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

Former hotel turned into haunted playground.

Cemetery featuring rare glass-fronted columbarium.