Land art has always ben considered as a similar but distinctly separate field from landscape architecture. Landscape architechs look to land art for inspiration and new concepts, but has always hesitated to define their field as an "art." But as more and more design projects for social spaces are being commissioned to artists, especially land artists, the distinction between the two fields are starting to blur. "Art or Social serviceulcorner" has been a question that has been asked in the field of landscape architecture throughout the 20 th century. By reviewing the concepts behind various land art projects, this paper seeks to undermine several misconceptions that has prevented landscape architects from wholeheartedly embracing land art as a expansion of their own field. Land art, as a new form of sculpture, sought to create art forms that were not looked at but experienced from the inside. Land art challenges the principle of the picturesque and the pictorialized view of nature. Land art was influenced by a new interest in prehistoric art, and sought to reestablish communication between the artist and the public. Also, land artists acknowledge the social responsibilities of art and presents the concept of art as a community activity. As can be seen by the concepts behind the works of land artists, the dichtomy of the artistic and social aspects of landscape architecture can be reconciled, and land art can serve as a model for a expanded field of landscape architecture.dscape architecture.