There's a magical stretch of the Danube river that some call the 'Tuscany of Austria'.Hills rise in the mist above the Wachau valley, and for 25 miles between fairy tale towns of ornate, pastel colored historic buildings, wineries line the river banks and hillsides.The 'Wachau Cultural Landscape' - its architectural and agricultural heritage - are a UNESCO World Heritage Site. The Abbey in the town of Melk, Durnstein, where English King Richard the Lion-Heart was held captive en route from...