Three of the most stunning Bulgaria's attractions within a day trip from Sofia! Explore the natural wonder of Prohodna cave, named by the locals “The Eyes of God” because of the two deity-eye-shaped holes on the ceiling. Experience Saeva Dupka, among the most decorated tourist adapted caves in Bulgaria and visit the unique Glozhene Monastery, built like a bird’s nest on the cliffs of a mountain peak. All this within a group day trip from...