The only one of 54 missile silos preserved as a National Historic Landmark, at seven stories underground. Tour includes the launch-control center and missile silo. Displays include an actual Titan II ICBM. Visitors can experience a simulated launch. Open daily from 8:45 a.m. to 5:30 p.m., except Thanksgiving and Christmas; $9.50, $8.50 senior or military, $6 ages 7 to 12, free younger child. Visit titanmissilemuseum.org for more information.
The museum features audio and visual interactive elements for youth and adults alike, a diorama with trains and a 1907 depot, a state-of-the-art media wall, knowledgeable docents and a locomotive. Locomotive Saturdays are held from 10 a.m. to 1 p.m. and offer an up-close-and-personal look at a real locomotive. Hours are 11 a.m. to 3 p.m., Tuesday through Thursday; 10 a.m. to 4 p.m., Friday and Saturday; and 11 a.m. to 3 p.m., Sunday; $6, free during Locomotive Saturdays hours. Visit tucsonhistoricdepot.org for more information.
The museum is one of the largest aviation museums in the world and is the largest non-government funded aviation museum in the United States. The museum maintains a collection of more than 300 aircraft and spacecraft from around the globe and more than 125,000 artifacts in five air-cooled indoor exhibit spaces. Hours are 9 a.m. to 5 p.m. (last admittance, 4 p.m.), daily; $12.50, $9 ages 7 to 12, $12.75 senior, military, Pima County resident and AAA from November through May; $7 to $15.50, free for children age 6 and younger. Visit pimaair.org for more information.
Located atop the 6,875-foot summit of Kitt Peak, the observatory offers nightly viewing and an advanced overnight program that lets visitors stay on site, use advanced equipment and "explore some of North America's most spectacular night skies." (Stargazing by reservation only.) Open from 9 a.m. to 4 p.m., daily. Guided tours are at 10 a.m., 11:30 a.m. and 1:30 p.m.; a single tour is $5.75, $3 age 7 to 12, free younger child, June through October; $7.75, $4 age 7 to 12, free younger child, November through May. Special rates for three tours are available. Night tours feature four hours of guided observing time and a box dinner; $49, $45 student, military or senior. Call 318-8726, or visit noao.edu/kpno for more information.
MONDAY: El Pueblo Farmers' Market: El Rio Clinic parking lot, Irvington Road and South Sixth Avenue, 3 to 5 p.m., Monday; seasonal market. (882-3313). Farmers’ Markets at La Posada Green Valley: 665 S. Park Centre Ave., Green Valley, is 8:30 a.m. to 12:30 p.m., Monday (603-8116). TUESDAY: Community Food Bank: 3003 S. Country Club Road, 8 a.m. to noon, Tuesday (882-3313). WEDNESDAY: Alan Ward Downtown Mercado: south lawn of the Main Library, 101 N. Stone Ave., 8 a.m. to 2 p.m., Wednesday (293-7045). Green Valley Village Farmers' Market: 101 S. La Cañada Drive, Green Valley, 10 a.m. to 2 p.m., Wednesday (490-3315). THURSDAY: Santa Cruz River Farmers' Market: Mercado San Agustín, 100 S. Avenida del Convento, 3 to 6 p.m., Thursday, Oct. to April; 4 to 7 p.m., Thursday, May to Sept. (882-3313). Sierra Vista Farmers' Market: Veterans’ Memorial Park, 3105 E. Fry Blvd., Sierra Vista, 10 a.m. to 2 p.m., Thursday (520-678-2638). FRIDAY: El Presidio Plaza Park Mercado: 115 N. Church Ave., 10 a.m. to 3 p.m., Friday; crafts only. (339-4008). Heirloom Farmers' Market at Trail Dust Town (Home of Pinnacle Peak): Fridays at Trail Dust Town (Home of Pinnacle Peak), 6541 E. Tanque Verde Rd., 9 a.m.-1 p.m. Nov-March and 8 a.m.-noon April-Oct, Friday (882-2157). UA College of Medicine Farmers' Market, in the patio, 1501 N. Campbell Ave., 10 a.m. to 2 p.m., Friday. SATURDAY: Arivaca Farmers' Market: 16800 Arivaca Road, Arivaca, 9 a.m. to 1 p.m., Saturday (398-9579). Bear Canyon Open Air Market: northwest corner of Tanque Verde Road and the Catalina Highway, 9 a.m. to 2 p.m., Saturday (982-2645). Bisbee Farmers' Market: Vista Park in the Warren section, 8 a.m. to noon, Saturday. Market at the Depot: 400 E. Toole Ave., 9 a.m. to 2 p.m., Saturday (339-4008). Oracle Farmers' Market: 2805 N. Triangle L Ranch Road, 9 a.m. to noon, Saturday (896-2123). Oro Valley Farmers' Market: Steam Pump Ranch, 10901 N. Oracle Road, 9 a.m. to 1 p.m. winter; 8 a.m. to noon summer, Saturday (882-2157). Plaza Palomino: 2970 N. Swan Road, winter: 10 a.m. to 2 p.m., Saturday; summer: 9 a.m. to 1 p.m., Saturday (plazapalomino.com, 327-4676). Rincon Valley Farmers' and Artisans' Market: 12500 E. Old Spanish Trail, winter: 9 a.m. to 2 p.m., Saturday; summer: 8 a.m. to 1 p.m., Saturday (591-2276). San Manuel Farmers' Market: 801 McNab Parkway, 8 a.m. to noon, Saturday (520-212-2337). SUNDAY: Douglas Farmers' Market: Raul Castro Park, between D and E avenues, downtown Douglas, 9 a.m. to 1 p.m., Sunday (520-805-5938 or 520-805-0086). St. Philips Saturday Farmers and Artisan Market: St. Philip's Plaza, southeast corner of River Road and Campbell Avenue, winter: 9 a.m. to Noon., Sunday; summer: 8 a.m. to noon, Sunday (882-2157).