Managua of Nicaraguan art from the time previous to its independence. Inside the National Palace of Culture is the National Museum, containing archaeological finds with some examples of pre-Columbian pottery, statues, and other findings. Managua is home to an array of art galleries which feature pieces by both national and international artists. Managua is home to many types of museums, some art museums include the Julio Cortázar Museum and the Archivo Fílmico de la Cinemateca Nacional. Natural history museums include the Museo del Departamento de Malacología UCA, Museo Gemológico de la Concha y el Caracol, and Museo Paleontológico "El Hato". The
Managua 1927. A new sewer system and the redirecting of waste water to a new waste water treatment plant at Las Mercedes funded by the German government to decontaminate the lake is expected to be the largest in Central America and was inaugurated in 2009. Managua's city area extends about , essentially south from the south shore of Lake Managua. The lakeshore is at an altitude of above sea level, and the city climbs as it gets towards the Sierras de Managua further south where it is over above sea level. Geologically, the city lies on fault lines, thus seismologists predict