The town of Unna, in North Rhein-Westphalia, is home to the Centre for International Light Art. It's the world's only museum devoted to this genre. And houses fascinating light displays in the arches of an old brewery.

See more pictures: http://www.dw.com/en/visit-the-worlds-first-light-art-museum/g-18209880
The Euromaxx-Playlist: https://www.youtube.com/playlist?list=PLT6yxVwBEbi2cC-z9qgVnZexvqnNK_5y5