What exactly is a "Pawspital," and why is one of my favorite places to visit in the National Mississippi River Museum and Aquarium hosting it? Credit: National Mississippi River Museum and Aquarium Credit: National Mississippi River Museum and Aquarium loading...Here’s how it works: guests check in their stuffed friend and then visit stations hosted by local healthcare providers. Credit: National Mississippi River Museum and Aquarium Credit: National Mississippi River Museum and Aquarium loading... Ice Dinosaurs at Dubuque's National River Museum Explore the prehistoric Arctic! Animatronic dinosaurs, fossils, and interactive exhibits bring Ice Dinosaurs to life at Dubuque's National Mississippi River Museum and Aquarium: the museum's thrilling new summer exhibition.