L'incontournable, as they say: the unavoidable. There'll probably be a queue, but it is almost always worth the wait. The stairs are for the seriously fit; plus, the moment when the glass-sided lift emerges into the daylight and all Paris is spread before you is too breathtaking to miss. Open late, every day of the year. The restaurant's not bad either.
Nearest metro: Bir-Hakeim, Trocadero, Ecole Militaire; www.tour-eiffel.fr/
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