American art museums are institutions that collect, preserve, and display works of art from various periods and styles. They showcase a wide range of artistic expressions, including paintings, sculptures, and photographs. Notable examples include the Metropolitan Museum of Art in New York and the Getty Center in Los Angeles, which feature both American and international art. These museums often provide educational programs, exhibitions, and community events to engage the public. They play a crucial role in promoting cultural understanding and appreciation of the arts, making them important centers for learning and inspiration across the United States.