1. Tuesdays-Sundays

“The Belle of Tombstone” continues its run at the Gaslight Theatre, 7010 E. Broadway. Be prepared to watch barroom brawls, stagecoach robberies and saloon girls. $18.50 adults; $16.50 students, seniors and military; $8.50 children 12 and younger. The popcorn’s free. The musical comedy runs various times through March 30; call 886-9428 for reservations and information.

2. Tuesday

Naturalist Bob Brandner will give a presentation starting at 2 p.m. about the world of reptiles and amphibians at Saguaro National Park East, 3693 S. Old Spanish Trail. The program is wheelchair-accessible, and if you miss this Tuesday’s talk, you can catch it March 25. Free. 733-5153.

3. March 29 and 30

The third annual Chalk Art Festival returns to Park Place, 5870 E. Broadway. Stretching from the entryways of Macy’s to Sears, the event is expanding this year to the indoor center courtyard of the mall. It’ll be 10 a.m.-6 p.m. March 29 and 11 a.m.-3 p.m. March 30. Free. Go to www.saaca.org or call 797-3959 for more information.

4. April 6

Looking for a wedding photographer, DJ, florist or caterer? All these and more will show their stuff at the I Do In Tucson Bridal Show noon-3 p.m. at the Hilton Tucson East, 7600 E. Broadway. Free. 624-3081.

5. Daily

Live butterflies from 11 different countries are featured from 9:30 a.m. to 3 p.m. in the Butterfly Magic exhibit at the Tucson Botanical Gardens, 2150 N. Alvernon Way. Catch it through April 30. $13; $7.50 children 4-12; free 3 and younger. 326-9686.