The museum features a planetarium theater that shows live sky shows and galaxy tours, hands-on exhibits, science demonstrations and viewing through a 16-inch telescope, the largest public telescope in Southern Arizona. Hours are 10 a.m. to 3 p.m., Monday through Friday; 6 to 9 p.m., Friday; 10 a.m. to 9 p.m., Saturday; and 1 to 4 p.m., Sunday, except Tuesday, Dec. 25 and Jan. 1; $7, $5 age 4 to 15, free younger child, $4 Arizona college student with ID. Visit flandrau.org for more information.
Participants learn the art of public speaking, listening, thinking and leadership in a relaxed, informal and supportive atmosphere, from 4:30 to 5:30 p.m., every Saturday; free. Call 861-7039, or visit toastmastersofunity.com for more information.
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.
Singles meet from 5 to 7 p.m., every Friday, at a different location; free. Call 219-4332, or visit tucsonsocialsingles.org for locations and more information.
From October through May, the attraction offers Old West entertainment, from cowboy gunfights and daring stunts to musical revues and comedies. Learn about Tucson's film history; take a miniature train ride; have an old-time photo taken; or enjoy barbecue at the Grand Palace Saloon. Guided tours take place throughout the day. Hours are 10 a.m. to 4 p.m., Friday through Sunday; $16.95, $10.95 ages 4 to 11, free younger child and pass holders. Old Tucson is available for group special events in the summer; call for reservations. Visit oldtucson.com 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.
Materials and activities are available in the lobby to encourage families to create museum-inspired artwork; free with admission. Hours are 10 a.m. to 5 p.m., Wednesday, Friday and Saturday; 10 a.m. to 8 p.m., Thursday; noon to 5 p.m., Sunday; and closed Monday and Tuesday; $8, $6 senior and veteran, $3 student with ID, free younger than 13, free the first Sunday of every month. Visit tucsonmuseumofart.org for more information.
Murder at the Vampire's Wedding, a 2 1/2-hour, interactive comedy whodunit that includes a three-course dinner, takes place most Fridays and Saturdays; $29 to $42, includes dinner. Doors open at 7 p.m. Call for reservations or more information.
A peek through the largest public viewing telescope in the Southwest is just part of a five-hour tour of the universe, from 5 to 10 p.m., nightly; $48 Monday through Thursday, $60 Friday through Sunday, $30 student. Reservations are required. Visit skycenter.arizona.edu for reservations. Search Facebook for "Mt. Lemmon SkyCenter" for daily photo updates about current events in the universe.