If you're looking for a great place to get your shopping done while also giving yourself and your dog an opportunity to stretch your legs, you should visit Outletcity Metzingen; dogs are allowed to visit all of the outdoor areas of the Outlet and there are quite a few sites to see and other dogs and dog owners to meet.
Germany has a number of ski resorts and other such areas that have been specifically cultivated for the express purpose of skiing. While this activity is more suited for both experienced dog owners and experienced skiers, it's a fun activity that's certainly out of the box and perfectly suited for the snowy mountain ranges that populate much of Germany.
Germany is known for its vast number of mountains, many of which have areas that make for great hiking trails. For dog owners who are looking for a new activity that'll give both yourself and your four legged companion a good work out, consider going for a hike along one of Germany's many world famous mountain trails.