The seven wonders of ancient Egypt are home to mysteries still unsolved thousands of years after their construction. Today, investigators use cutting-edge tech and forensic analysis to reveal new secrets of these colossal engineering marvels: the Great Pyramid of Giza, the Sphinx, the Temple of Karnak, the Valley of the Kings, Abu Simbel, the Obelisks, and the Lighthouse of Alexandria.

Cutting-edge archaeological methods help experts unearth the dark secrets hidden at the seven wonders of ancient Rome: Colosseum, the Pont-du-Gard Aqueduct, Hadrian's Wall, the Pantheon, the Domus Aurea, Herculaneum, and Pompeii. What they find challenges everything we know about this once-mighty empire.