Garry Winogrand's "15 Big Shots" is a portfolio of photographs created in the 1970s that showcases his distinctive street photography style and keen eye for capturing candid moments of American life. The work exemplifies Winogrand's characteristic approach of finding visual complexity and unexpected juxtapositions in everyday urban scenes, often employing dynamic framing and an off-kilter compositional sensibility. This portfolio stands as a significant example of his influential contribution to the development of contemporary street photography.