Visited the world’s second longest construction project - Cologne Cathedral taking 632 years to build, just behind the a national Children’s Hospital in Dublin. Dublin metro rounds off the top 3
@chismo2701 Definitley go to the Wiener Prater at night. The grounds of Schönbrunn palace are really nice and the zoo there is one of the oldest in the world. I saw my first panda and koala there ahaha