(you do a lot more of that over here!! :)
In the 17th century, much of this area (including Heidelberg) was largely Protestant. When the new Catholic ruler came into power, he had many "Madonna" statues (featuring Mary and Jesus) built in an attempt to convert the Protestants of Heidelberg back to Catholicism.
(supposedly the most famous one in Heidelberg)
Trace our steps - start on the far left of this picture (where we parked by the water), go through the town to the far right of the picture, back track to the old bridge and cross, then go up and all the way across the hill (pretty much the same distance if not further), and back down again!!! Everyone slept good that night. :)