Heidentor gate, Petronell-Carnuntum, Lower Austria, Austria, Europe

aged archaeological archaeology archeological archeology attraction attractions austria austrian carnuntum cultural culturally culture cultures day daylight daytime dig digs during europe european excavation excavations exterior exteriors famous gate heidentor historic historical historically history known lower nobody old outdoor petronell petronell carnuntum photo photos renowned roman roman romans seeing shot shots sight sights site sites the tourist well well known worth