In the follow-up to his critically praised monograph Sleeping by the Mississippi, Alec Soth turns his eye to another iconic body of water, Niagara Falls. But as with his photographs of the Mississippi, Soth’s pictures of Niagara are less about natural wonder than human desire. "I went to Niagara for the same reason as the honeymooners and suicide jumpers," says Soth, "the relentless thunder of the Falls just calls for big passion." Oscar Wilde wrote of the Falls, "The sight of the stupendous waterfall must be one of the earliest, if not the keenest, disappointments in American married life." In...