Here is a link to an interesting history of half timbered building in part of Germany and a map to interesting houses in Herrenberg.

http://www.herrenberg.de/en/tourism/sightseeings/the-half-timbered-house-path.html

Enjoy;
Jim

The closer you look the more you see.
"Heavy timber framing is not a lost art" Fred Hodgson, 1909