Travelers are voting Mödling Castle Ruins, City Moat and Castle Falkenstein as the best of 5 ruins in Vienna. There are 7 ruins in Sankt Pölten a city just 64 km from Vienna and 3 ruins in Neunkirchen which is 66 km distant. The most popular of these are Oster Castle in Sankt Pölten and Burgruine Landsee in Neunkirchen. You can find 49 Ruin in the country of Austria and Prehistoric Pile dwellings around the Alps is our members favorite Ruin in all of Austria. Want more? Check out our map of ruins in Vienna.