Hello, there are a few of my favourite-EarthCaches:
http://coord.info/GC1B88F Cloef
http://coord.info/GCMK1V Randeck Maar Earthcache
http://coord.info/GC1Q1KJ Uracher Wasserfall
http://coord.info/GC2BKY7 Hornisgrinde Hochmoor
http://coord.info/GC26V6K Die Marienschlucht
If you will come to Baden-Württemberg, you have to find they !
Have fun with them!