The city of Hamburg, Germany has more bridges within it's city limits than any other city in the world; a total of about 2300. Amsterdam has about 1200 bridges and Venice about 400.
In 1979 two couples with their children escaped East Germany in a home made hot air balloon. The balloon climbed to 6000 feet and landed in West Germany. It was their second attempt, their first landed 200 yards short of the border.