This paper presents a case study of rock engineering investigations, design, and construction work for the new Science North museum in Sudbury, Ontario. While the rock work is not particularly innovative, the building construction involved singular geotechnical requirements and problems.The building sits astride a major regional fault, which has a mapped length of 56 km, a throw of over 600 m, and a shear zone 30 m wide. Inclined drilling was used to locate and characterize the shears within this zone. The paper describes the site investigation and assesses the fault's history of movement and the potential for future fault activity.Architectural requirements included excavation of a "cavern" and entrance tunnel with exposed rock faces that were to appear rough yet remain stable. Given the sheared rock, the excavation required careful blasting. No shotcrete, mesh, or other visible forms of support were permitted. Instead, the rock was stabilized by "invisible" fully resin-bonded dowels. Anchors with a working load of 500 kN each were used to pretension the piers to the rock and stabilize the rock faces beneath pier foundations. The paper describes the methods used to assess foundation bearing capacity and rock cut stability, to design the anchoring system, and to inspect and scale the footings, the tunnel, and the open-cut rock faces. Key words: rocks, foundations, blasting, site investigation, anchoring, bolting, slope stability, scaling, faults.