Swiss duo Fischli & Weiss have been collaborating since 1979 on clever, charming works that turn everyday detritus--from stuffed animals and beer bottles to sausages and magazine advertisements--into witty scenarios of balance, collapse and blissful silliness. Their best-known work remains their film "The Way Things Go," in which such items are arranged in a domino sequence to fall, catch fire and roll along, with dizzying hilarity. All of the duo's projects are permeated with this delight in testing and demonstrating the wondrousness of the world. This survey looks back at Fischli & Weiss' sculptures, installations, photographs and films of the past 30 years, presenting such early works as the photo series "Wurstserie (Sausage Series)" and their popular installation "Question Projection.