Photo: Wikimedia CommonsThe dazzling white-marble Palacio de Bellas Artes is Mexico Citys grandest cultural landmark, an art-nouveau and art-deco masterpiece topped with a stained-glass curtain and filled with murals by Rivera, Orozco and Siqueiros. The exterior and surrounding gardens are free to admire, while a ticket gets you the murals inside. For the classic photograph, head up to the Sears cafe terrace across the road for a view over the domes.