I was watching a video on Yellowstone National Park's Facebook page about the park's boardwalks. This has to happen because of the ever-changing ground, maintenance to ensure safe boardwalks, or due to a 2,000-pound bison deciding to walk on it. READ MORE: Jumbo Bison Crushes Boardwalk in Yellowstone. One thing I learned is that building or repairing a boardwalk isn't easy. It's an interesting video that you can watch right here:Yellowstone National Park Bison Summer 2026 Bison At Play In Hayden Valley / July 2026 Gallery Credit: Greg Jannetta