1. A city of central Norway on Trondheim Fjord, an inlet of the Norwegian Sea.

2. It has long been realized that the Gulf Stream carries warm water into the Norwegian Sea.

3. A city of central Norway on Trondheim Fjord, an inlet of the Norwegian Sea. Founded in9 it was the capital of Norway until13 Population, 6

4. Like many of the list's top-scoring islands, the Lofoten archipelago in the Norwegian Sea has avoided excessive tourism partly because its nippy climate doesn't draw the beach-party set.