What if there was a powerful device that could protect people from harm? The biblical stories surrounding the Ark of the Covenant speak of a device with astonishingly divine powers. Did the Ark really possess these abilities? Ancient Aliens examines 75 million years of the most credible alien evidence here on Earth: from the age of the dinosaurs, to ancient Egypt, to the skies over the western desert in the present day US, ancient cave drawings of strange creatures, an asphalt-like substance in an Egyptian pyramid made from the remains of unidentified creatures, continued mass sightings in the USA.