Just spotted this thread so late to the party!
I can definitely recommend Vienna, Innsbruck and Salzburg. I've just added some photos of Salzburg to my gallery - http://www.zoobeat.com/gallery/showgallery.php/ppuser/426/cat/500.
The Haus der Natur natural history museum and terrarium in Salzburg is very good - I'll try to get some pictures of that up later.
I can definitely recommend Vienna, Innsbruck and Salzburg. I've just added some photos of Salzburg to my gallery - http://www.zoobeat.com/gallery/showgallery.php/ppuser/426/cat/500.
The Haus der Natur natural history museum and terrarium in Salzburg is very good - I'll try to get some pictures of that up later.