In Photos: Yellowstone National Park Turns 150 Posted on 03/01/2022 by Corts Yellowstone, the first U.S. national park, draws 4 million visitors annually. Parkgoers marvel at fantastic geysers, colorful hot pools and amazing wildlife. Yellowstone National Park photos courtesy of Tom Murphy Photography … Click to share on Telegram (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on X (Opens in new window)