of Natural Sciences, located in Trento; the aeronautics museum, dedicated to Gianni Caproni (based in Mattarello); the museum of the uses and customs of the Trentino people, one of the major ethnographic and material culture museums of the entire Alpine area, with headquarters in San Michele all'Adige; the Italian historical museum of the War of Rovereto, dedicated to the First World War, hosted at the city's castle. the geological museum of the Dolomites in Predazzo Padre Kino Museum located in Segno in the Val di Non chronicles the life of missionary explorer Eusebio Kino and the indigenous people of today's borderlands of Arizona and Sonora. Also worthy of note are the cultural institutes and museums dedicated to the three minorities of the Province, the Istitut cultural Ladin "majon di fascegn" in Val di Fassa and the "Kulturinstitut Bersntol - Lusérn" for the promotion of German-speaking minorities mòchene and Cimbre. Castles In the region there are numerous castles. With the financial aid of Province, some of them could be restored and are now open to the public. Here the most important: Castel del Buonconsiglio , in Trento; Castel Thun, in the Val di Non; Castel Stenico, in the Vallagarina; Castel Beseno, in the Adige Valley; Castel Toblino, in the Valle del Sarca; Castel Cles, near Cles in the Val di Non; Arco Castle, in Arco. Sports and recreation The region offers many opportunities for mountain climbing and trekking and winter sports. Important winter events are the world championships organised by the International Ski Federation (FSI) such as the Nordic ski 1991, 2003 and 2013, snowboarding 2001 and freestyle ski championship 2007, as well as the Adamello Ski Raid and Marcialonga. The Tour de Ski has since 2007 had its conclusion in Val di Fiemme with the Final Climb stage up the alpine skiing course on Alpe Cermis. During the spring and summer, cycling is a big event in the region, such as the Giro del Trentino and Maratona dles Dolomites over the mountain passes. Cross country racing such as the Cross della Vallagarina and the 10-kilometre road running competition Giro al Sas also take place. Association football is a popular ball sport in Trentino. Teams within the region are U.S. Alta Vallagarina, A.C. Mezzocorona, A.S.D. Porfido Albiano and Trento Calcio 1921. Trentino Volley is a professional Italian volleyball team. It has played in the Italian Volleyball League without interruption since 2000,