Olveston House, Dunedin
This Jacobean mansion was designed by London architect Sir Ernest George, and broke all the rules in colonial innovation.
Image 1 of 3: Built by David and Marie Theomin in 1906, Dunedin's grand old Olveston House was a marvel for its era, with central-ducted heating, an internal telephone system and electricity before the rest of the city achieved it. Photo / Jow Powers