Georgia O'Keefe was an American artist known for her paintings of enlarged flowers, shells, bones, and landscapes. Some of her most famous works include Poppies from 1927, which features enlarged vibrant red poppies, Cow's Skull, Red, White and Blue from 1930 depicting a bleached cow skull against a colorful background, and Cebolla Church from 1945 showing a New Mexican church against a desert landscape.