This is St. Paul's cathedral. The cathedral was designed by Christopher Wren to be re-built after the Great Fire of London in 1666. Even if you are not particularly religious, you can still go and view the beauty of the cathedral.
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.