This is the Community of Christ Church in Hulett, Wyoming. The Community of Christ was formerly known as the Reorganized Church of Jesus Christ of Latter Day Saints and, as the name would indicate, its an offshoot of the Mormon religion, having separated from the LDS quite early.
This church is immediately adjacent to the Catholic St. Matthew's church. It's not unusual to see churches built side by side, but in this instance the appearance is a bit unique as both churches were built from house like structures.
