Spain has 44 total sites on the list of World Heritage Sites, third only to Italy (49) and China (45). The United Nations Educational, Scientific and Cultural Organization (UNESCO) World Heritage Sites are places of importance to cultural or natural heritage as described in the UNESCO World Heritage Convention, established in 1972. Spain accepted the convention on May 4, 1982, making its historical sites eligible for inclusion on the list. Of the 44 Spanish sites, 39 are cultural, 3 are natural, and 2 are mixed (meeting both cultural and natural criteria), as determined by UNESCO's selection criteria. Of the 17 autonomous communities of Spain, Castile and León has the most sites, with six exclusive and two shared sites (Burgos Cathedral pictured). Additionally, Spain has established an agreement with UNESCO known as the Spanish Funds-in-Trust. The fund provides €600,000 annually to a chosen program. Programs include helping other member states, particularly in Latin America, with projects such as nominations processes and assessing tentative sites. (Full list...)