One of the best things about getting up high in a city like Paris, in addition to the obvious views of the major landmarks, is the views out over the ordinary roofs of every differing size and shape. From Wikipedia : "The Hôtel de Ville in Paris, France, is the building housing the City of Paris's administration. Standing on the place de l'Hôtel de Ville (formerly the place de Grève) in the city's IVe arrondissement, it has been the location of the municipality of Paris since 1357. It serves...