Las Médulas is a historic site located in the province of León, Spain. It was once a major gold mining area during the Roman Empire, where miners used advanced techniques to extract gold from the earth. The landscape is characterized by striking red cliffs and unique formations created by the mining process. Today, Las Médulas is a UNESCO World Heritage Site, attracting visitors for its natural beauty and historical significance. The area features walking trails that allow tourists to explore the stunning scenery and learn about the ancient mining methods used by the Romans.