An island is a piece of sub-continent surrounded by water. It is the ultimate place for fun, sun and relaxation. Nowadays, they are the most favorite holiday spots and favorite location of some important events. Most of the newly married couples wish to go to these islands for honeymoon and travelers wish to go there to enjoy the adventures of nature.Now, let’s have a look on the top 6 highest islands of the world.The Papua New Guinea occupies the eastern half of the rugged tropical island of New Guinea as well as the numerous smaller islands and atolls in the Pacific. It is the biggest island, next to the Greenland. It covers the land area of 786,000 kilometers.