Secrets of the Lost

Understanding how the pyramids of ancient Egypt came to be has mystified archaeologists for centuries, leading some to conclude the task was most likely impossible. But newly uncovered information is finally helping unlock the deepest secrets of these supersized monuments. Piecing together the inner workings of the Great Pyramid of Giza, for example, is part of "Secrets of the Lost," which explores magnificent mysteries found around the world. The series combines the work of scientists and cutting-edge CGI technology, allowing viewers to understand how and why archaeological marvels exist.