Kyle Ranch or Kiel Ranch, was one of the earliest ranches established in Nevada's Las Vegas Valley. Founded by Conrad Kiel in 1875, today the location of the former ranch is in North Las Vegas, where the city maintains the remnants of the site as the "Kiel Ranch Historic Park." The original adobe structure, one of the oldest buildings in Las Vegas, a …Kyle Ranch or Kiel Ranch, was one of the earliest ranches established in Nevada's Las Vegas Valley. Founded by Conrad Kiel in 1875, today the location of the former ranch is in North Las Vegas, where the city maintains the remnants of the site as the "Kiel Ranch Historic Park." The original adobe structure, one of the oldest buildings in Las Vegas, a wooden shed known as the "Doll House," and the cemetery are all that remain after loss of buildings through fire and neglect. Also within the park is an artesian well and a small wetlands, a reminder of what drew travelers and early settlers to the area. Presently the ranch's location is memorialized with Nevada Historical Marker number 224.