If you’ve ever taken a close look at the ground here in Las Vegas, you might notice something unexpected. Not just rocks. Not just dry soil. But something that doesn’t seem like it belongs at all. A seashell. For most people, it’s just a strange find. But for those who work with the land every day, it tells a much bigger story. Las Vegas Was Once Underwater It’s easy to forget, but this desert wasn’t always dry. At one point, much of this area was underwater, filled with life