Saguaro National Park is located in Arizona and is a protected area of the Sonoran Desert. It is home to the iconic Saguaro cactus, which can grow up to 50 feet tall. The park is divided into two sections, the Tucson Mountain District and the Rincon Mountain District, and covers over 91, 000 acres of land. Visitors can explore the desert landscape, take part in outdoor activities, and learn about the history and culture of the area.