Known as the city of Sunshine, Tucson in Arizona is home to interesting museums, wonderful hiking trails, desert flora, and fauna. The Arizona Sonora Desert Museum is a unique place to see the desert landscape around Tucson. Learn about the natural history of the wildlife and plant life in the Sonoran Desert region apart from viewing the varied species of desert animals. The Saguaro National Park offers hiking trails to spot wildlife and the Saguaro Cactus, the tallest species in North America. Visit the St Augustine Cathedral built in Mexican Baroque architectural style. The facade of the church has carvings of native desert plants and coat of arms of Pope Pious XI. Tour the campus of the University of Arizona, home to the Arizona state museum with large archaeological collections.