This stone bridge across the Danube was originally built in the 1600s but Regensburg Austria was already very old by then. It has a checkered history for sure beginning in Roman times when the salt mines there were worked by slaves. The expression "Back to the salt mines." refers to them then as well as in the Nazi era. But now it is a lovely mid-sized city that fairly drips with history, wonderful public art, a regional art museum, and a handsome cathedral. Immediately be