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

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

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.

The palatial McDonald's that inspired Wesley Willis.

A lush green oasis in the middle of Chicago.

A speakeasy takes on Chicago's drinking culture.

Shop of curiosities with a dinosaur museum tucked in its basement.

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