Less than two miles from Venice is Poveglia, an island associated exclusively with madness, horror, and restless souls.
Tall as a skyscraper, nearly 60,000 tons, neighboured by the shipwrecked Titanic. Population: 200.
Tristan da Cunha's current population nears 270 people, all descended from 15 original colonists.
There are over 500 uninhabited coastal islands within Japan’s Nagasaki Prefecture, but only one has played lair to a James Bond supervillain.