A house in the middle of the Drina River near the town of Bajina Basta, Serbia. Bajina Bašta is a town located in the western mountains of Serbia. The town lies in the valley of the Drina River at the eastern edge of Tara National Park.
Top 10 Strangest Buildings in the World - Stone House, Portugal. Located in the Fafe mountains of northern Portugal, A Casa do Penedo, or "the House of Stone," was built between four large boulders found on the site.