The Mississippi and Missouri Rivers combine to form the longest river system in the US and the fourth longest in the world.
Fact: The name hippopotamus means 'river horse' and is often shortened to hippo.
Fact: Alligators live in freshwater environments, such as ponds, marshes, wetlands, rivers, and swamps, as well as brackish environments.
Before you there is a river. Perhaps it leads to the butt. Will you traverse it?