for Americans. The Medical Tourism Index ranks Mexico as the 29th most popular destination for medical travelers. UNESCO World Heritage Sites UNESCO has designated a number of World Heritage Sites; Mexico has a significant number. Numbered sites: 1. Centro Histórico de la Ciudad de México; 2. Ciudad Universitaria; 3. Xochicalco; 4. Monasteries on the slopes of Popocatépetl; 5. Luis Barragan House and Studio; 6. Teotihuacan; 7. Monarch Butterfly Biosphere Reserve; 8. Aqueduct of Padre Tembleque Legend: World Cultural Heritage Site; World Natural Heritage Site; World Cultural and Natural Heritage Site (Mixed) General tourism Monterrey, Nuevo León Nuevo Laredo, Tamaulipas León, Guanajuato Guadalajara, Jalisco – and nearby Lake Chapala Papantla, Veracruz – vanilla Piedras Negras, Coahuila San Cristóbal de las Casas, Chiapas San Luis Potosí, San Luis Potosí Saltillo, Coahuila Tequila, Jalisco Tijuana, Baja California Torreón, Coahuila Puerto Vallarta festival San Sebastián del Oeste, Jalisco Zipolite, and Mazunte, Oaxaca See also List of World Heritage Sites in Mexico Cenote Pueblos Mágicos Visa policy of Mexico Secretariat of Tourism Architecture of Mexico Further reading Berger, Dina. The Development of Mexico's Tourism Industry: Pyramids by Day, Martinis by Night (2006) excerpt and text search Berger, Dina, and Andrew Grant Wood, eds. Holiday in Mexico: Critical Reflections on Tourism and Tourist Encounters (Duke University Press; 393 pages; 2010) . Essays on the history of tourism and related realms in Mexico; topics include the marketing of carnival in Veracruz. Castañeda, Quetzil. In the Museum of Maya Culture: Touring Chichen Itza. Minneapolis 1996. Cole, Garold. American Travelers in Mexico, 1821-1972: A Descriptive Bibliography. Troy NY 1978. Hellier-Tinoco, Ruth. Embodying Mexico: Tourism, Nationalism, and Performance. New York: Oxford University Press 2011. Honey, Martha. Ecotourism and Sustainable Development: Who Owns Paradise? Washington, D.C. 1998. Johnston, Barbara R., ed. "Breaking out of the Tourist Trap," Cultural Survival Quarterly 12(1990), 1-64. Jolly, Jennifer. Creating Pátzcuaro, Creating Mexico: Art, Tourism, and Nation Building under Lázaro Cárdenas. Austin: University of Texas Press 2018. Kemper, Robert V. and A. Lynn Bolles, eds. "Circum-Caribbean Tourism" in Urban Anthropology 25 (1996), 221-310. Nash, Dennison. Anthropology of Tourism. Oxford 1996. Núñez, Theron. "Tourism, Tradition, and Acculturation: Weekendismo in a Mexican Village," Ethnology 2 (1963), 347-352. Romero, Héctor. Enciclopedia Mexicana del Tourismo. 7 vols. Mexico City 1986. Ruiz, Jason, Americans in the Treasure House: Travel to Porfirian Mexico and the Cultural Politics of Empire. Austin: University of Texas Press 2014. Smith, Valene L., ed. Hosts and Ghosts: