The images in photographer Alec Soth’s Niagara are less about natural wonder than about human desire. "I went to Niagara for the same reason as the honeymooners and suicide jumpers," says Soth. "[T]he relentless thunder of the falls just calls for big passion." While the subject may be intense, these are quiet pictures. Using a large-format 8-by-10 camera, the photographs are rigorously composed a