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

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.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

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

Monasteries on rock pillars, once accessible only by frayed ropes.

A modern zoetrope on the New York City subway.

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

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

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

Theater has had many different incarnations but has survived the ravages of time.

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.

A safe place for the wild donkeys of a hot vacation destination.

The historic tower houses of this nearly abandoned Greek town have been compared to the spikes on an iguana's back.

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

The hallucinogenic center of the ancient world.

This open air archeological site houses almost as much wildlife as it does classical religious artifacts.

A cave network located at the southernmost tip of mainland Greece was once believed to be an entrance to Hades.