Burgruine Landsee is a castle ruin in the Austrian state of Burgenland. Burgruine Landsee is 537 metres (1,762 ft) above sea level.
The castle was used as a location for Disney's The Three Musketeers (1993 film) starring Kiefer Sutherland, Charlie Sheen, Chris O'Donnell, and Oliver Platt.
Coordinates: 47°33′46″N 16°20′59″E / 47.56278°N 16.34972°E