Underworld: Ancient Caves, Underground Cities, Realm of the Dead

Every corner of the Earth has now been mapped, photographed, measured and scanned and— courtesy of Google—we can explore every inch of it, from the streets of Rome to the jungles of Guatemala. But beneath our feet is a world that remains largely unseen. Google’s cameras have yet to reach the subterranean world – the endless tunnels, caves, caverns, and even cities! Perhaps that’s what makes ‘the underworld’ so captivating. It’s a little slice of our planet that remains hidden, silent, and mysterious.