The Torre de Collserola (or Collserola Tower) was built in 1991 ahead of the 1992 Summer Olympics. In addition to broadcasting radio and TV stations throughout Catalonia, the tower is home to an event space and an observation deck which gives visitors the chance to get the best view of Barcelona. Not only is the observation deck 499 feet (152m) up, but it’s situated on top of the Tibidabo Hill, meaning visitors get a view from 1837 feet (560m) above sea level, looking down over the whole city.