Hengill, Iceland - Hengill was formed from a Palagomite tuff, it is a central volcano and has a giant magma chamber beneath it. When thick basalt lava flows cool, they form hexagonal cracks, called columnar joints
Gruner See (Green Lake) is a lake in Styria, Austria known for its shimmering, emerald-green hue and its fluctuating depth throughout the year, at times leaving a park completely submerged in it. The site has proven to be an attraction for divers.
Kakslauttanen Arctic Resort - The famous Glass Igloos in Finland are definitly one of the most romantic Hotels of the world. Sleep under the Stars and in one of the world's best places for watching the Northern Lights.