Hohenzollern Bridge with Cologne cathedral of St.Peter and Maria across Rhine, Germany

architecture at night attractions big house boats building buildings by night cathedral cathedrals centre church church tower church towers churches city city break city center city breaks cityscape cologne cologne cathedral cultural tour cultural trips culture dark darkish darkness downtown europe germany gothic gothic architecture great st marin gross st martin half timbered half timbered high cathedral of saint peter and mary historic historical house houses illuminated illumination journey landmark light lighting lights cologne lit location north rhine westphalia old town place religious buildings rhine river roman romanesque sacred buildings ship ships sight sightseeing timber framed timber framed tourist attraction towers town travel unesco world heritage site unesco world heritage site visit worth seeing