What are rock formations?
That’s when forces of nature, such as erosion, create natural eye-catching sculptures that make you stare in wonder and awe. Have a look at http://www.scienceray.com/Earth-Sciences/Geology/Worlds-Most-Impressive-Rock-Formations, and see if you can spot this giant mushroom-shaped formation, located in Kansas. it was formed by the erosion of a harder rock on top of a softer rock. See also http://www.scienceray.com/Earth-Sciences/Geology/Amazing-Animal-Shaped-Rock-Formations and http://www.bukisa.