Sunshine Jeep Tours and Trail Dust Adventures arrange trips into the Sonoran Desert outside Tucson in open-air, four-wheel-drive vehicles. Baja's Frontier Tours explores the natural history of Tucson and the surrounding area.
Several companies offer birding tours in the Tucson area. Borderland Tours leads bird-watching tours in Arizona and all over the world. Wings, a Tucson-based company, leads ornithological expeditions locally and worldwide.
In the spring and fall, those interested in visiting the area's historic missions can contact Kino Mission Tours, which has professional historians and bilingual guides on staff.
Great Western Tours takes individuals and groups to such popular sights as Old Tucson, Sabino Canyon, and the Arizona-Sonora Desert Museum; in-depth tours of the city and its neighborhoods are also available. Tour operators are on limited schedules (or close altogether) in summer.
The friendly, knowledgeable docents of the Arizona Historical Society conduct walking tours of the downtown historic districts (departing from the Sosa-Carillo-Fremont House) every Saturday at 10 from November through mid-April, for $10.
Arizona Historical Society (520/622-0956) Baja's Frontier Tours (520/887-2340 or 888/297-2508. www.bajasfrontiertours.com) Borderland Tours (2550 W. Calle Padilla, Northwest, Tucson, 85745. 520/882-7650 or 800/525-7753. www.borderland-tours.com) Great Western Tours (520/572-1660. www.gwtours.net) Kino Mission Tours (520/628-1269) Sunshine Jeep Tours (520/742-1943. www.sunshinejeeptours.com) Trail Dust Adventures (520/747-0323. www.traildustadventures.com) Wings (1643 N. Alvernon Way, Suite 105, Central, Tucson, 85712. 520/320-9868. www.wingsbirds.com).