"Georgia O'Keeffe: Visions of Hawaii" at the New York Botanical Garden
You know a Georgia O'Keeffe painting when you see one -- oversized flowers and stark images of the New Mexico landscape. But an exhibition at the New York Botanical Garden showcases one of her lesser-known subjects. "Georgia O'Keeffe: Visions of Hawaii" includes 20 works, and a curated flower show. Sara Kugel reports.