📜 Large-scale hydraulic model of the entire Mississippi River basin, covering 200 acres. 🔍 Built from 1943 to 1966, operated until 1973, now derelict but open to the public within Buddy Butts Park. # Why Go 🚶 Explore a massive abandoned scale model, the largest small-scale model ever built, representing 41% of the US in miniature. 🏞️ Wander through overgrown park land and stride like a giant over the river system. 📸 Unique photo opportunities. 🧠 Learn about flood control history and its historical significance, built by WWII prisoners of war. # Why Avoid 🚫 Permanently closed, no longer accessible as originally intended. 🚧 Overgrown, fencing may obscure views, structures are vandalized and collapsing grid sections reported. 🗺️ Can be difficult to navigate due to overgrowth. # Tips 🅿️ Drive and park within several hundred yards, an open gate allows walking access. 👀 Remains of the model might be seen from a concrete area nearby. 🌳 Wear appropriate clothing for overgrown areas. 🤝 Local volunteers are clearing the site with hopes of revitalizing it. # Cost 💰 Free to visit. # Hours 🕒 Open to the public, no specific hours mentioned.