This document describes several unusual restaurants around the world. It discusses Grotto Palazzos in Italy, located in a cave overlooking the Adriatic Sea. It also mentions The Rock restaurant in Zanzibar, perched on a rock in the ocean. Another restaurant discussed is Sounds of Silence in Australia, which offers Aboriginal cuisine and entertainment under the stars. The document provides pictures and brief descriptions of these and other unusual restaurants, such as an underwater restaurant in the Maldives and a rollercoaster-themed one in Germany.