The Egyptian mega-temple at Karnak was once the political power base of the ancient pharaohs and the home to strange religious rituals; new discoveries of skeletons tell a story of jealousy, betrayal, and the rise of a new religion that changed Egypt.

New evidence uncovers the ancient mysteries behind the iconic Colosseum; archaeologists uncover the secret lives of the gladiators and make new discoveries that help explain the rise and sudden fall of the Roman Empire.