In the town of Polignano a Mare in southern Italy (Bari Province, Apulia) is the most unique restaurant in the world – Grotta Palazzese. Only open in the summer, the restaurant is a part of the hotel Grotta Palazzese, which is located on the cliff above.
Explore the ancient caves of Hang Son Doong, Vietnam. Hang Son Doong is one of the largest caves in the world and features a fast-flowing underground river. For spelunkers, exploring Hang Son Doong is the equivalent of scaling Mount Everest.
Italy - Bari-Apulia - Italian restaurant in a cave. Tucked away into the wall of a cliff in Polignano a Mare in southern Italy (province of Bari, Apulia), lies a most unique dining experience at the Grotta Palazzese.