Baroque celebration of the end of the Great Plague of Vienna.

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.

A quiet memorial to those who died saving others in the heart of the City of London.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

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

An avant garde art museum at the University of Chicago.

This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

A hollow cement depiction of time's inexorable effect on the human body.

Hot Doug's "Hot Dog" Stand.

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

A Bibliophile's Dream.

The palatial McDonald's that inspired Wesley Willis.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

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

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

At 207 feet, one of the world's longest continuous escalators.