Ordensburg Vogelsang is a former national socialist estate placed at the former military training area in the national park Eifel in North Rhine-Westphalia. The landmarked and completely preserved estate was used by the National Socialists between 1936 and 1939 as an educational centre for future leaders. Since 1 January 2006 the area has been open to visitors. It is one of the largest architectural relics of National Socialism.