The Sassi are ancient cave dwellings located in the town of Matera, Italy. These unique structures are carved into limestone cliffs and date back to prehistoric times. The Sassi are recognized for their historical significance and are part of a UNESCO World Heritage Site, showcasing a remarkable example of human adaptation to the environment. Visitors to the Sassi can explore narrow streets and stairways that connect the various caves and buildings. Many of these dwellings have been transformed into homes, hotels, and restaurants, allowing tourists to experience the rich cultural heritage of Matera while enjoying modern amenities.