wiesbaden roman gate tower artifacts the heidenmauer ("heathen wall") of aquae mattiacorum

beautiful view cityscape day sky old kurhaus wiesbaden history square art nouveau hessen deutschland exterior monument summer waterfall lights famous historic germany casino fountain hesse winter snow travel evening attraction architecture park europe house tourism bowling green city water night town palace landmark building landscape culture places garden roman gate tower artifacts heidenmauer heathen wall aquae mattiacorum mattiacorum