Margaret & J. Pierce Cunningham's home (1888-1895) near Jackson Hole, Wyoming. Wyoming The Fabulous "Dogtrot" House! I don't know about you, but finding an old "dogtrot" house in the middle of nowhere in the western U.S., in Jackson Hole, Wyoming, near the Grand Tetons, was awesome! Now, you might think, why in the world would someone get excited about seeing this? Blame it on genealogy! A "dogtrot" house, or double house or double pen, is basically two single-room or "single pens" house with a central hallway or breezeway between the two pens with a single roof over all of them. [1] One room was generally the