Education at the Getty
From the J. Paul Getty Museum in Los Angeles, its mission is to "delight, inspire, and educate a diverse public through the collection, preservation, exhibition and interpretation of works of art of the highest quality."
Sections include: Teacher Programs and Resources, a searchable database of Lesson Plans, a "For Kids" section, where kids can chat online and play games, "College Students and Professors" section, and "TeacherArtExchange."
Link to resource:
Education at the Getty