I did a three-day mini bike tour out of Berlin into Brandenburg state last week. It is probably worth a forum post -- I was blown away by the quality and extent of cycling infrastructure in this mostly rural area. One hardly has to plan at all. There's pretty much a designated cycle route, and often a separate path, from any given village to any other. Anyway, a few pictures:

Click image for larger version. 

Name:	IMG_3560.jpg 
Views:	15 
Size:	97.8 KB 
ID:	18140
Click image for larger version. 

Name:	IMG_3622.jpg 
Views:	12 
Size:	102.1 KB 
ID:	18141
Click image for larger version. 

Name:	IMG_3619.jpg 
Views:	12 
Size:	97.8 KB 
ID:	18142
Click image for larger version. 

Name:	IMG_3571.jpg 
Views:	12 
Size:	100.1 KB 
ID:	18143
Click image for larger version. 

Name:	IMG_3566.jpg 
Views:	14 
Size:	96.5 KB 
ID:	18144