They have published numerous monographs of their photographs –including Travels in the American West (Smithsonian, 1992), HOT SPOTS: America’s Volcanic Landscape (Bulfinch Press, 1996), and AQUARIUM (Aperture, 2003). They have received a John Simon Guggenheim Fellowship, as well as grants from the National Endowment for the Arts, The Design Trust, New York State Foundation for the Arts, and the Graham Foundation. Their photographs have been exhibited internationally in one-person shows at the Yokohama Museum, the Art Institute of Chicago, The Museum of the City of New York, and The International Center of Photography in New York, among others. Their work is represented in over one hundred major collections worldwide.

They were married in 1983 and began collaborating in 1990. They reside in New York City.