Tallgrass Prairie National Preserve Entrance Kansas Photo by Jimmy Emerson, DVM / Flickr (noncommercial use permitted with attribution/no derivative works).
Tallgrass Prairie National Preserve
The National Park Service protects what remains of the North American tallgrass prairie in the Flint Hills of Kansas at Tallgrass Prairie National Preserve. A critically endangered ecosystem, less than 4% of the original 170 million acres of tallgrass prairie exists today.