Fondation Beyeler to Open Expanded Campus by Peter Zumthor in 2027 The Fondation Beyeler in Riehen , near Basel , will begin opening its expanded campus to the public this autumn, with the full ensemble set to be accessible in January 2027. The project brings together the museum building designed by Renzo Piano Building Workshop and opened in 1997 with a series of new additions by Pet… — ArchDaily