The Bolesławiec rail viaduct is a railway bridge over the river Bóbr in Bolesławiec in Lower Silesia, Poland. Entirely made of stone, it is one of the longest bridges of its type in Poland and in Europe.
Wikipedia https://en.wikipedia.org/wiki/Bolesławiec_rail_viaduct
Address (Unnamed Road), 59-700, Poland
Coordinates 51°16'5.993" N 15°33'9.58" E