known as the Zocalo. The city has museums of many types, housing cultural treasures of Mexico's history since ancient times to the modern era. One guide rates the National Museum of Anthropology as the top place to visit in Mexico City, located in Chapultepec Park, itself a top tourist attraction for foreign visitors and Mexico City residents. Other museums worth a visit are the Museo de Arte Moderno, the Museo Dolores Olmedo, the Franz Mayer Museum, the Frida Kahlo Museum, the Museo Rufino Tamayo, the archeological museum of the Templo Mayor, adjacent to the National Palace and cathedral; and the Museo Nacional de Historia in Chapultepec Castle, the former residence of viceroys of Mexico, Emperor Maximilian I, and presidents of Mexico until the early twentieth century. Gallery Morelos Just south of Mexico City is the state of Morelos. Its capital, Cuernavaca, is nicknamed The City of Eternal Spring; its year-round benign climate attracts both national and international visitors. Top tourist attractions in Cuernavaca include the Palace of Cortés (16th-century home of the Conquistador, now a regional museum), the archeological site of Teopanzolco, and the Cuernavaca Cathedral. This latter is one of eleven Monasteries on the slopes of Popocatépetl in the state that are considered World Heritage Sites (three others are in the State of Puebla. Just east of Cuernavaca are the Pueblos Magicos (Magic Towns) of Tepoztlan and Tlayacapan, each with its 16th-century monastery and colorful pre-Lenten carnival. Tepoztlan is also known for its Sunday Tianguis and the Sierra de Tepoztlan with its small pyramid and spectacular view. Further east is the city of Cuautla, where an important battle took place in 1812 during the Mexican War of Independence. General Emiliano Zapata centered many of his revolutionary activities in and around Cuautla during the Mexican Revolution. Morelos has a large number of water parks, ranging from small, rustic parks to international attractions. There are also several pre-hispanic pyramid sites, notably that of Xochicalco. Southern Mexico Southern Mexico is the home of many surviving indigenous cultures and is a destination for many foreign and domestic tourists in Mexico. The dense indigenous populations in the prehispanic era saw the rise of civilizations, with enormous archeological sites indicating their complexity. The rugged terrain of southern Mexico and the lack of mineral wealth drawing large numbers of Spanish settlers in the colonial era and in the post-independence era has meant that southern Mexico remains