Crystal Cave at Farcu Mine 102.29 km away In the Padurea Craiului Mountains, near Rosia, in the Farcu bauxite mine, in 1987, the miners accidentally discovered a cave.
God's bridge (Bozhite mostove, Bozhi Most) Vratsa 328.38 km away Anyone who has been to Bulgaria may be familiar with the Prohodna Cave, affectionately known as the Eyes of God; the Devetashka Cave, illuminated by seven windows in its ceiling; and perhaps they have also seen the Wonderful Bridges in the Rhodope Mountains.