"We're booking the tour in pairs of shows. We want to have two different shows. That's the plan at this point, but it could all change."
- Adam on the potential Songs of Innocence tour
The cover art for No Line on the Horizon is a photograph of Lake Constance, taken by Japanese photographer Hiroshi Sugimoto; titled Boden Sea, it is one of 200 pictures in his Seascapes collection. The image was the inspiration for Bono's lyrics on the track "No Line on the Horizon".