grub castle schloss grub on hallstatteree lake in austrian alps

alpine alps attraction austria austrian autumn beautiful bench castle church cultural culture destination europe european fall famous fort gmunden grub hallstaetter hallstaettersee hallstatt hallstatter heritage historic history landmark landscape mountains mountainscape obertraun popular reflection region resort salt salzkammergut schloss see sightseeing tour tourism tourist touristic town tranquil travel travelling upper vacation village wanderlust water