Part of the art and sciences complex designed by Santiago Calatrava, the Palau de les Arts stands as the world’s tallest opera house at 75 meters in a stunning 55,000 square-meter white silhouette encompassing four halls: the Sala Principal (Main Hall), Aula Magistral (Master Room), Auditorium and Martín y Soler Theatre. The Sala Principal seats 1,500 visitors mainly for opera and other performing arts, boasting four levels of seating and the world’s third largest orchestra pit. Spiralling staircases and panoramic lifts can be found towards the sides of the venue, offering various access paths to walkways and Mediterranean gardens.