Colorado is Home to the Tallest Sand Dune in the U.S.
You can find the tallest sand dune in the U.S. is at the Great Sand Dunes National Park and Reserve.
Great Sand Dunes National Monument
Two Parks in Colorado Named One of 50 Coolest Places For Kids
TIME for Kids asked kids from all over the world to name what they thought was the coolest place for kids and two National parks in Colorado made the list.