Personal Sunset over Sells by Jesse Rogerson|Published 18 February 2014|1 comment Sunset over Sells, Arizona. The city of Sells is the capital of the Tohono O’Odham Nation, a people native to America. Kitt Peak resides within their boarders, and was constructed with their permission. The city is directly west of Kitt Peak. With this sunset, I end my time on Kitt Peak mountain. For now.