Taking a sunrise hot air balloon ride alongside the hundreds of other balloons over the ancient Teotihuacan Pyramids is a must when visiting Mexico City. It's a once-in-a-lifetime experience and one ...

Long before Khufu, Khafre, and Menkaure raised their pyramids, Giza had its own hidden history. Much of it was erased to build the great monuments, but clues remain of what once stood there.