Colorado Rhodochrosites
Thru Dec. 9 View red-pink rhodochrosite (manganese carbonate mineral) specimens from various Colorado mines. University Museums, Mineralogical Museum, Penny Hall, Newark, 831-8037, www.udel.edu/museums
The Aesthetic Moment: The Art of Still Life
Thru JAN. 6 Eleven artists display more than 50 still-life paintings as part of the Delaware Art Museum’s Outlooks Exhibition Series. 2301 Kentmere Pkwy., Wilmington, 571-9590, delart.org
editor’s pick Nikon’s Small World
Thru JAN. 6 All 20 winning images from Nikon’s 2012 premier photomicrography competition are on display at the Delaware Museum of Natural History. 4840 Kennett Pike, Wilmington, 658-9111, delmnh.org
Open House Tour Days
NOV. 2, 10, 16, 21 Preregister for tours of the Auburn Heights mansion and Marshall Steam Museum in Yorklyn on select dates. 3000 Creek Road, Yorklyn, 239-2385, auburnheights.org
editor’s pick Biggs Shot III
NOV. 2-FEB. 17 This third photography exhibition of artists from the Greater Delmarva Peninsula is juried by Sarah Stolfa, director of the Philadelphia Photo Arts Center. Biggs Museum of American Art, 406 Federal St., Dover, 674-2111, biggsmuseum.org
Ikebana and Bonsai Show
NOV. 3-4 Two botanical Japanese art forms are featured at Longwood Gardens. U.S. 1, Kennett Square, Pa., (610) 388-1000, longwoodgardens.org
Painted Rooms: An Artist’s Vision of Winterthur
NOV. 3-JAN. 6 Paintings of Winterthur’s rooms by English artist Michael John Hunt are on display, with prints available in the museum store. Winterthur Museum, Garden & Library, Del. 52, Winterthur, 888-4600,winterthur.org
Tales from Poe & POE’try Slam Contest
NOV. 7 In conjunction with the “Picturing Poe” exhibit at the Brandywine River Museum, original poetry inspired by Edgar Allan Poe kicks off an evening of dramatic presentations of the author’s stories. U.S. 1, Chadds Ford, Pa., (610) 388-2700, www.brandywinemuseum.org
Project Feeder Watch
NOV. 10 No experience is necessary to participate in the Cornell University Lab of Ornithology’s annual program that helps track winter bird population trends. Mt. Cuba Center, 3120 Barley Mill Road, Hockessin, 239-4244, mtcubacenter.org