Fort Srebrna Góra

[Wiki](https://en.wikipedia.org/wiki/Fort_Srebrna_G%C3%B3ra) **Srebrna Góra Fortress** or Srebrnogórska Fortress is a former military fort. The fort is one of **Poland**'s official **national Historic Monuments**, as designated May 1, 2004. Its listing is maintained by the National Heritage Board of Poland. It has been declared a rare example of a surviving European 18th century mountain stronghold. 3d models generated from Youtube videos in a photogrammetry program Twierdza Srebrna Góra Fort Spitzberg-Ostróg Source: Objaverse 1.0 / Sketchfab