Bulgaria is dotted with over 5,000 caves, each one having its own history, captivating beauty and mysteries. Some of these true underground treasures welcome tourists. Here are some of the most mysterious and mesmerizing caves to visit during the..
Fragments of human bones found in Bacho Kiro Cave in central Bulgaria suggest that Homo sapiens appeared in Europe several millennia earlier than previously thought and shared the Old Continent with the Neanderthals for longer. Scientists from the..