Palau de la Música Catalana

The great Modernist (Spanish Art Nouveau) architect Lluís Domènech i Montaner built this concert hall between 1905 and 1908 for the Orfeó Català, a choral society founded in 1891. Still a functioning music venue, this UNESCO World Heritage Site hosts diverse performances from jazz concerts to chamber music. Even without tickets for a concert, it is worth visiting the building during the day—as it is the only concert hall in Europe lit by natural light.