Travelers are voting Mödling Castle Ruins, City Moat and Castle Falkenstein as the best of 4 ruins in Vienna. There are 3 ruins in Rust a city just 31 km from Vienna and 7 ruins in Sankt Pölten which is 33 km distant. The most popular of these are Mödling Castle Ruins in Rust and Burgruine Dürnstein in Sankt Pölten. You can find 48 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.