This chapter discusses cultural diversity and conformity. It includes a case study on body rituals among the Nacirema culture. The chapter covers the meaning of culture, cultural variation, and the American value system. It defines culture and its key components, including technology, symbols, language, values, and norms. The chapter also discusses cultural universals, subcultures, countercultures, and processes of cultural change like diffusion and leveling. It identifies core American values like work and individualism and how values have also changed over time with new emphases on environmentalism and self-fulfillment. The chapter concludes with a lab activity having students analyze material culture artifacts.