This is the Science Museum, a work of Santiago Calatrava and Felix Candela. Its part of the "Ciudad de las Artes y las Ciencias de Valencia" project. It has four buildings: The "Palacio de las Artes" : an art Exhibition center; "LHemisfèric": an Imax and Laser-show Theater; The "Museo de las Ciencias": the Buil.ding youre currently seeing; and "LOceanografic": an aquarium.