kastell tasgetium or romische ruinen tasgaetium, stein am rhein

ancient angel antique architecture attraction beautiful bridge building canton castel castle city cityscape construction culture europe european famous fortification fortress heritage historic history holy kastell landmark landscape mausoleum medieval monument old outdoor ponte religion retro rhein river roman romische ruinen schaffhausen sky skyline stein stone street summer switzerland tasgaetium tasgetium tourism tourist tower town travel urban vatican view wall water