"Cacti & Critters" - Roy P. Drachman-Agua Caliente Park, 12325 E. Roger Road. Whimsical paintings of desert dwellers by acrylic artist Pam Davidson. Also, "Desert Wonders," watercolors and acrylic paintings by Kay Mitman. 10 a.m.-3 p.m. Wednesdays-Sundays. Free. 615-7855.
"DeGrazia Watercolors" - DeGrazia Gallery in the Sun, 6300 N. Swan Road. 10 a.m.-4 p.m. daily. Free. 299-9191.
"Fun With Images" - Kirk-Bear Canyon Library, 8959 E. Tanque Verde Road. Works in collage by nine members of Contemporary Artists of Southern Arizona. 10 a.m.-8 p.m. Mondays-Thursdays; 10 a.m.-5 p.m. Fridays; 9 a.m.-5 p.m. Saturdays; 1-5 p.m. Sundays. Free. 594-5275.
"Way of the Cross" - DeGrazia Gallery in the Sun, 6300 N. Swan Road. Annual showing of Ted DeGrazia's "The Way of the Cross" is on display through Lent with 15 original oil paintings that depict the suffering and crucifixion of Christ. 10 a.m.-4 p.m. daily. Free. 299-9191.
Daniel Plumer Photography Artists' Reception - Madaras Gallery, 3001 E. Skyline Drive. Daniel Plumer's "Favorite Places" exhibit of luminescent metal-print photos. Reception: 5-7 p.m. April 18. Free. 615-3001.
Viva el Vidrio Group Show - Bridge Gallery, 5425 N. Kolb Road. Southwest contemporary art and culture. 11 a.m.-7 p.m. daily. Free. 577-4537.
Southwestern League of Fine Arts Show - Murphey Gallery at St Philip's in the Hills Episcopal Church, 4440 N. Campbell Ave. 2-4 p.m. Tuesdays, Thursdays and Sundays. Free. 299-6421.
SkyNights - Mount Lemmon SkyCenter, 9800 Ski Run Road. Explore the night skies from the summit of Mount Lemmon using the Schulman 32-inch telescope, Arizona's largest public telescope. Reservations required. Meet an hour before sunset through 9 p.m. daily. $60; $30 for ages 7 to 18; 20 percent discount Mondays through Thursdays. 626-8122.
Beginning Poetry Writing - Kirk-Bear Canyon Library, 8959 E. Tanque Verde Road. Norah Booth leads this workshop, providing basic poetic forms, instruction and creative exercises. Participants will complete a poem to take home. 6:30-8 p.m. April 18. Free. 594-5275.
"Arsenic and Old Lace" - Catalina Foothills High School, 4300 E. Sunrise Drive. This farcical dark comedy revolves around a drama critic who must deal with his crazy, homicidal great aunts who have taken to murdering lonely old men with arsenic. 7:30 p.m. April 18-20; 2 p.m. April 20. $5. 209-8317.
Nature Stories at Agua Caliente Park - Roy P. Drachman-Agua Caliente Park, 12325 E. Roger Road. Story reading at the park, followed by an art activity. 10-11 a.m. April 19. Free. 615-7855.
Get to Know Sabino Canyon - 5700 N. Sabino Canyon Road. Enjoy an easy, informative two-hour walk to learn about flora, fauna, geology and beauty of the canyon, led by volunteer naturalist Ramona Pease. 10 a.m.-noon on alternating Fridays. Free except for $5 daily or $20 annual parking fee. 749-8700.
Publishing Genre Fiction - Kirk-Bear Canyon Library, 8959 E. Tanque Verde Road. Author Jesse Petersen will discuss proposals, literary agents, publishers and self-publishing, and answer questions about how to publish a novel. 2-4 p.m. April 20. Free. 594-5275.
Rummage Sale - St. Philip's in the Hills Episcopal Church, 4440 N. Campbell Ave. Presented by St. Philip's J2A Youth Group. Cash only. 7 a.m.-2 p.m. April 20. Free. 299-6421.
Spring Plant Sale - Pima County Cooperative Extension, 4210 N. Campbell Ave. Featuring a variety of cacti and succulents, herbs, ground covers, vines, spring flowers and more. There will also be some garden art made by the Pima County Master Gardeners and containers of wildflower seed balls. Master Gardeners will be on hand to answer gardening and landscaping questions. 8-11 a.m. April 20. Free admission. 626-5161.
Healthy Eating and Living Asian Style 2013 - Tucson Chinese Cultural Center, 1288 W. River Road. In honor of World Tai Chi and National Asian Heritage Month. Cooking demonstrations on Chinese food from Harvest Moon Restaurant and Lotus Garden. UA College of Pharmacy provides onsite health screenings. Tai chi demonstrations. Health lecture by Zhao Chen of the UA Confucius Institute. 10 a.m.-2 p.m. April 20. Free; $8 for lunch. 292-6900.
Phenology Day - Pima County Cooperative Extension, 4210 N. Campbell Ave. Complete schedule at usanpn.org/Tucson-Phenology-Trail online. 8 a.m.-3 p.m. April 20. Free. 792-0481.
Israel Festival - Tucson Jewish Community Center, 3800 E. River Road. Entertainment, food, kids' activities, art fair and marketplace with vendors and community organizations exhibiting products and services. Also, Technology Pavilion with speakers, educators, investors and leaders discussing Israel's contributions. Noon-6 p.m. April 21. $5; free for kids 5 and younger. 577-9393.
Historical Tour of Agua Caliente Park - Roy P. Drachman-Agua Caliente Park, 12325 E. Roger Road. Enjoy a guided walk around the park's lush grounds and historic buildings. 10-11 a.m. April 21. Free. 615-7855.
Introduction to Sabino Canyon - 5700 N. Sabino Canyon Road. Learn about and experience Sabino Canyon, the Santa Catalina Mountains and the Sonoran Desert with volunteer naturalists Jack and Arlene Wilt. 10 a.m.-noon Mondays. Free except for $5 daily or $20 annual parking permit. 749-8700.
Canyon Knitters - Kirk-Bear Canyon Library, 8959 E. Tanque Verde Road. Bring your needles and yarn to a gathering of novices to experienced knitters. 1-3 p.m. Tuesdays. Free. 594-5275.
Tucson Tuesday Laughter Yoga - St. Francis in the Foothills Church, Room 30-31, 4625 E. River Road. Breathing, yogic exercises and laughter designed to promote peace and healing. 6-7 p.m. Tuesdays. Free; donations accepted. 490-5500.
Plant and Bird Walk - Sabino Canyon, 5700 N. Sabino Canyon Road. Volunteer naturalists help visitors learn about and experience the wonders of Sabino Canyon, the Santa Catalina Mountains and the Sonoran Desert on guided nature walks and discussions of local flora and fauna. 8:30-11:30 a.m. Tuesdays. Free except for $5 daily or $20 annual parking permit. 749-8700.
Ned's Nature Walk - Sabino Canyon, 5700 N. Sabino Canyon Road. Ned Harris and friends lead walks on moderately difficult trails. 8:30-11:30 a.m. Wednesdays. Free; $5 daily or $20 annual parking permit. 749-8700.
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