After a day of sightseeing, enjoy the Sonora Desert Museum, the Saguaro National Park or Old Tucson Tucson hosts the Tucson Gem & Mineral Show, one of the largest gem and  mineral shows in the world, for two weeks in February each year. Take a bus tour of the Pima Air & Space Museum, which features over 250 modern and historical aircraft. Tucson is  home to more than 120 parks, including Reid Park Zoo, Tucson Botanical Gardens, Sabino Canyon and Biosphere 2. Lennar offers new single-family homes in the most desired real  estate locations in Tucson, including Marana, Town of Marana, and Vail.