Discover Europe with the 'Only In' Guides! These ground breaking city guides are for independent cultural travellers wishing to escape the crowds and understand cities from different and unusual perspectives. Unique locations, hidden corners and unusual objects. A comprehensive illustrated guide to more than 80 fascinating and unusual historical sites in Germany's most historic city - Religious relics, forgotten fortresses, unexpected sanctuaries, abandoned cemeteries, and little-known museums. From Colonia Agrippinensis and the French occupation to the Kingdom of Prussia and the Third Reich including sites such as; Napoleon's cemetery, a road beneath the Rhine, the city lighthouse, and where the Red Baron learned to fly.