Prague Castle is a castle in Prague where the Kings of Bohemia, Holy Roman Emperors and presidents of Czechoslovakia and the Czech Republic have had their offices. The Czech Crown Jewels are kept here. Prague Castle is the biggest castle in the world.
The Igloo Village of Hotel Kakslauttanen in Finland boasts 20 thermal glass igloos that allow visitors to enjoy incredible views of the Aurora Borealis from the warmth and comfort of their own geodesic hut. COOL-I want a geodesic hut!