what state is the badlands in
Toadstool Geologic Park in northwestern Nebraska. Some of the best-known badland formations can be found in Canada and the United States. In the U.S., Makoshika State Park in Montana and Badlands National Park in South Dakota together form a series of extensive badland formations. Among the Henry Mountains area, about 1500m above sea level, Cretaceous and Jurassic aged shales are exposed. Theodore Roosevelt National Park is a United States National Park composed of three geographically separated areas of badlands in western North Dakota and was named for U.S. President Theodore Roosevelt.