Badlands National Park is located in South Dakota. It is made up of nearly 250,000 acres. The wind and elements of nature have eroded away the soft rock formations and have displayed the different colored layers of rock.

Here is one site and another that give interesting info.
Terragalleria shows the beauty of the Badlands National Park. Here are a few select photos:
View From Pinnacles Overlook
Cedar Pass at
dawn
Windows Overlook in the morning