The palatial McDonald's that inspired Wesley Willis.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

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

This historic hotel invented the chocolate brownie.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

This midcentury chapel is a bold architectural statement and a symbol of Indiana's Lutheran heritage.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.