The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

Illegal drag racing two stories beneath Chicago’s streets.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

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

All of Chicago's wood-paved streets are long gone but two alleys remain.

Internationally known record store and purveyor of "dusties."

A gothic church spire sits atop this skyscraper, the tallest church in the world.

A century-old network of freight tunnels underneath the city's historic business district.

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

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

The famous author's birthplace is preserved in a town that he once described as narrow-minded.

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

An abandoned castle owned and ignored by Masons carries a cursed history.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

Long hidden under grime, the politically radical murals of a little known Yugoslavian master are finally getting their due.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

Hiroshima survivor on Riverside Drive.

More gold than anywhere else, ever.

New York City's smallest piece of private property.

Visit the monolithic tomb of America's most famous general.

Cheap pizza and all of your naughty bedroom needs housed in a stunning example of Art Nouveau architecture.