This anthropology museum specializes in cultures of the Southwest and Mexico. In the north building, the Paths of Life exhibit interprets origins, history and modern lifestyles of 10 desert cultures-the Seri, Tarahumara, Yaqui, Tohono O'odham, Yuman, Paiute, Pai, Apache, Navajo and Hopi. A Mexican mask exhibit in the south building contains more than 350 colorful folk-art masks. Museum archives hold over 100,000 artifacts.