Spot a tourist in New York, and chances are you can’t be sure exactly why they’re in town. Broadway? Shopping? A quest to find the world’s best bagel? It’s anyone’s guess. At Giza, though, it’s pretty simple—travelers come here to see the Pyramids of Giza, one of the Seven Wonders of the World. (Editor's note: Our list was compiled before political unrest prompted many countries to issue travel warnings for Egypt. If you're currently planning a trip to Egypt, please consider the risks and monitor your government's travel alerts.)