Durdle Door is a natural limestone arch located on the Jurassic Coast in Dorset, England. It is part of the Dorset and East Devon Coast UNESCO World Heritage Site, known for its stunning geological formations. The arch is approximately 200 years old and has become a popular destination for tourists and photographers. Visitors to Durdle Door can enjoy scenic views, hiking trails, and access to the nearby Lulworth Cove. The area is also known for its diverse marine life and unique rock formations, making it a great spot for nature enthusiasts and geology lovers alike.