Unveiling the Mysteries of the World's Hidden Isles... Tristan Da Cunha Starbuck Island North Sentinel Island Svalbard Kaffeklubben Island Socotra Ilha da Queimada Grande Bouvet Island Thilafushi Gruinard Island Principality of Sealand Pitcairn Island Isola La Gaiola Hashima Island (Gunkanjima) Reunion Island La Isla de las Muñecas Palmyra Atoll The Great Pacific Garbage Patch Okunoshima Island Tashirojima Island Howland Island Poveglia Island Izu Island Ramree Island Bikini Atoll Saba Sable Island Easter Island Farallon Islands Devon Island Santa Cruz del Islote Clipperton Atoll Islas Uros Deer Island Gardi Sugdub/San Blas Palmerston Island/Atoll Elephant Island Niʻihau Island Surtsey Island North Brother Island Heard Island and McDonald Islands Kerguelen Islands Saint Helena Ascension Island Wrangel Island