The fortified walls of Veste Oberhaus Fortress have helped it endure the test of time. Take in the architecture of this grand structure from a distance or see if there are any tours.
You'll soon see why this Passau fortified complex is visited by many travelers. If you're looking for more to see and do here, St. Stephan's Cathedral, Old Town Hall, and University of Passau are in this area too. They won't take very long to get to from Veste Oberhaus Fortress.