The history of Mexico City stretches back almost two centuries before the Spanish ever set foot in the Americas. Rather, the Spanish built their capital on top of the ashes of one of the most beautiful and unique cities in history: Tenochtitlan.

Alcatraz was only in operation for less than 30 years, but in that time it gained the reputation as one of the most notorious prisons in American history.

We may be standing on the shoulders of giants—and, if some legends are believed, that phrase might be shockingly literal.

High on the slopes of Mount Parnassus, the sanctuary of Delphi was the most famous oracle of the ancient world, a priestess of the Greek god Apollo, who could shape the course of history.