The façade of the historic Pier 15 building was carefully restored during its renovation and upgrade to house the new Exploratorium. (Photo by Bruce Damonte)

The façade of the historic Pier 15 building was carefully restored during its renovation and upgrade to house the new Exploratorium. (Photo by Bruce Damonte)

The façade of the historic Pier 15 building was carefully restored during its renovation and upgrade to house the new Exploratorium. (Photo by Bruce Damonte)