The Rock-Hewn Churches of Ivanovo, nestled within Bulgaria’s Rusenski Lom Nature Park, are a UNESCO World Heritage Site that blends spirituality, history, and natural beauty. Carved into the cliffs along the Rusenski Lom River, these medieval monasteries date back to the 13th century and are renowned for their vibrant frescoes and serene setting. Surrounded by lush forests, hiking trails, and…