The Reșița Steam Locomotive Museum is an open-air railway museum located in the Triaj Park district of Reșița, Caraș-Severin County, Romania. Entry is free and there is no restriction on examining the exhibits. It claims it is the largest open-air railway museum in Europe. The museum was founded by Engineer Mircea Popa, then director of the locomotive manufacturing plant located in Reșița. Its inauguration was meant to coincide with the centennial anniversary of locomotive manufacturing history in the city. The locomotive factory produced 1,491 steam locomotives with the last one being produced in 1964, after which production shifted to diesel and electric locomotives. Reșița became an extremely important pillar of the railway industry in Hungary and Romania around 1867 after private companies, like the iron factories and steel works of Rimamurány-Salgótarjáni Vasmű Rt. (Rimamurány-Salgótarján Ironwork Co. - RMST), and Állami Vaspályatársaság (State Railway Company - ÁVT - Staats Eisenbahngesellschaft – StEg in German) started production in Reșița. There are a total of 16 locomotives on display, 14 of which were produced by local factory and span over 100 years in steam locomotive history. The other two locomotives, the Bogsan and Hungaria, were acquired in 1937. The museum and its collection was added to as a National Monument (Monument Istoric) in 2004 with an LMI code of CS-II-a-A-10905. In 2013, the Resicza lost out to the Danube Gorge to become the regional symbol of the Romanian Banat for European Cooperation Day, which is yearly on September 21.