This is a past event.

Tom McDonald: Life, eath and Redemption in the Grand Canyon.

Tom McDonald, docent instructor at Tohono Chul Park and adjunct instructor in physiology at Pima Community College, discusses his hike along the treacherous Lava Falls route, and his two days stranded at the bottom of the Grand Canyon, from 6:30 to 7:30 p.m., Thursday, Nov. 15; free.