Natural landmarks in Bulgaria include the Belogradchik Rocks near the town of Belogradchik, consisting of three rock groups up to 200 meters high. The Melnik Pyramids near the town of Melnik are stone formations that reach heights of 100 meters. The Mysterious Stones near Varna Lake are rock formations located 18 km from Varna. Trigrad Gorge, located 1.5 km north of Trigrad, impresses with its beauty along the Trigradska River. Caves such as Ledenika Cave feature karst formations and the legend of the Lake of Wishes. Bacho Kiro Cave, located near Dryanovski Monastery, has a variety of limestone