Lainzer Tiergarten Vienna

... in the Danube, a large part of a forest, a park as big as the Prater, and the entire 6000-acre Lainzer Tiergarten, a huge nature reserve. (Plus there's the Stadtpark (City Park), Augarten (roughly, "meadow garten"), Belvedere gardens, and Schönbrunn ...

... we figured it was good enough for us. Being without a car in Vienna is freeing, yet does not come without challenges.  Although the Lainzer Tiergarten is only 22km away by car, it took us an hour and a half on public transport.  We left at ...