The City of Arts and Sciences (La Ciudad de las Artes y las Ciencias) in Valencia is a spectacular and imposing space designed by the architect Santiago Calatrava. This centre for leisure and culture, with its avant-garde architecture, is set firmly within the 21st century. At the Hemisfèric one can see the very latest Imax films; there is also a planetarium and an innovative laser show. The Príncipe Felipe Science Museum is located in a spectacular building and offers exhibitions where touching is permitted and where visitors can run all sorts of fascinating hands-on experiments. The Oceanogràfic reproduces all the ecosystems on the planet, with an astounding diversity of flora and fauna. The Palau de les Arts, with its spectacular oval-shaped design, is the place for seeing the best operas, concerts and stage performances. Lastly, the Ágora. This building was designed as a multifunctional, versatile space, suitable for hosting various different types of events.