This architectural stunner is one of the few surviving Egyptian Revival theaters in the U.S.

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

These pretty kitties killed and ate as many as 135 railway workers.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

This historic hotel invented the chocolate brownie.

A monument to the art of slicing people open.

A hot dog stand where the heads are just as hot as the dogs.

The beloved home to all publications indie, erotic, and punky.

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

This cemetery is all that remains of a school for "wayward" girls.

A lush green oasis in the middle of Chicago.

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

Chicago’s incendiary role in the labor movement.

This centuries-old pub boasts a collection of more than 4,500 snippets of neckties from around the world.

This house renovated by Frank Lloyd Wright was the centerpiece of a lavish 20th-century estate.

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