We love the contrast of the brown latticed frame of the 'Iron Lady' against the twinkly frost and snow. In the colder months, as the panoramas from her three public floors are likely to be encumbered by poor weather, expect much shorter entry lines. Fun fact: the Eiffel Tower shrinks in winter, as low temperatures cause its metal skeleton to contract, shrinking the structure by up to 15 centimetres (6 inches) compared to its summer height (when it grows in the heat).

These brilliant landmarks were built for World's Fairs – and are still standing

30 world-famous landmarks and destinations that look completely different in winter