It the home of the Keck Mineral Museum, one of six complete mineral museums in the world. The Museum includes a display of part of the Mackay Silver Collection, a one-of-a-kind silver collection that Mackay purchased from Tiffanies in New York in the late 1800's for his wife. This priceless collection has been split up; other parts are located in the Silver Legacy Hotel/Casino and the Mackay Mansion in Virginia City.

This is the only building on campus that has been made completely earthquake-proof. In an earthquake, the building will simply roll with the waves, leaving the beautiful building and its precious contents completely safe.