- Mud Island River Park is the nation's premier tribute to the mighty Mississippi River. The beauty and majesty of the river is detailed in the Mississippi River Museum and the River Walk, a 5-block long outdoor replica of the river from Cairo, IL to New Orleans, LA with city plots, scale-model bridges and levees and 800, 000 gallons of water flowing every minute. Mud Island River Park is located ...www.mudisland.com