■ Lecture: Jonathan Waterman
Explorer, author and photographer Jonathan Waterman gives a talk tonight (May 2) at 8 p.m. at the Mountain View Center for the Performing Arts at 500 Castro St. He'll focus on his adventures following the Colorado River from its sources to the Mexican border, and speak about the importance of water as a resource. The talk is part of the Wallace Stegner lecture series presented by the Peninsula Open Space Trust. Tickets are $22. Call 650-854-7696, extension 316, or go to openspacetrust.org.
■ Art: 'Flora and Fauna'
Barbara von Haunalter is showing her watercolor paintings of flora and fauna, including jungle scenes from her travels in Costa Rica, this month at the Portola Art Gallery at the Allied Arts Guild, 75 Arbor Road, Menlo Park. The artist is a Los Altos Hills resident and member of the Santa Clara Valley Watercolor Society. A reception for the exhibition is set for May 13 from 1 to 4 p.m. Admission is free, with the gallery open Monday through Saturday from 10 a.m. to 5 p.m. Call 650-321-0220 or go to portolaartgallery.com.