-"The days you work are the best day"- Georgia O'Keeffe.
The Radiator Building at Night, 1927
If you at Georgia O'Keeffe's paintings, most of them all have to do with nature. She is also mostly famous for painting and photographing close scale photos of flowers. This is because she likes to show the viewer the beauty and characteristics of the object.
Here is one of Georgia O'Keeffe's flower paintings. You can see every single one of the details even though it's magnified.
Georgia O'Keeffe was also involved in the American Modernism. This movement was from about 1910 to 1950. People who were involved in this movement (including Georgia O'Keeffe) tried to create their art scene by more tradional and realistic forms.