Explore the Barcelona concert hall that also happens to be a UNESCO World Heritage Site, including the grand Concert Hall.
Take in Lluís Domènech i Montaner's richly detailed Art Nouveau masterpiece (yes, a stunningly ornate Barcelona building not designed by Gaudí!)
Feel your jaw drop as you enter the main Art Nouveau auditorium, and see why UNESCO made the Palau de la Música a World Heritage Site.