The Elbphilharmonie, Hamburg, Germany (17/20)

Rising above the Port of Hamburg, the Elbphilharmonie (Elbe Philharmonic Hall) is a striking concert hall and cultural center. Its undulating glass structure sits atop a historic warehouse, creating a modern contrast with the surrounding industrial buildings. The architectural design by Herzog & de Meuron earned the building widespread acclaim for its innovative use of space and striking design.