Note: Some of the below destinations may be affected by the civil unrest in Peru. Check with the U.S. Department of State before traveling. It's hard to believe this iconic "lost city of the Incas" ...

You’ve probably seen this before. It’s what everyone pictures when they think of Machu Picchu—the verdant network of stone terraces, temples, and open-walled houses; the soaring peaks of Huayna Picchu ...