Top 10 Most Tropical Islands: The Cook Islands is a parliamentary democracy in the South Pacific Ocean in free association with New Zealand. It comprises 15 small islands whose total land area is 240 square kilometres sq mi)
The Blue Lagoon geothermal spa is one of the most visited attractions in Iceland. The steamy waters are part of a lava formation. The spa is located in a lava field in Grindavík on the Reykjanes Peninsula, southwestern Iceland.