Since 1993 the Imperia towers over the harbour of Constance. It was a real local scandal when the sulpture was put up in 1993.
Between 1414 and 1418 a church council was held in Constance. It was the only church council north of the Alps.
Constance was not destroyed in World War II and could so preserve many of its historical buildings.
In 2006 one of Western Europe's last border fences was torn down and replaced by sculptures.
Count Lennart Bernadotte shaped today's Mainau up from 1932. He made it the flower park, it is today.