The term public art properly refers to works of art in any media that have been planned and executed with the specific intention of being sited or staged in the physical public domain, usually outside and accessible to all. The term is especially significant within the art world, amongst curators, commissioning bodies and practitioners of public art, to whom it signifies a particular working practice, often with implications of site specificity, community involvement and collaboration. The term is sometimes also applied to include any art which is exhibited in a public space including publicly accessible building. Some artists working in this discipline use the freedom afforded by an outdoor site to create very large works that would be unfeasible in a gallery, for instance Richard Long's three week walk, entitled "The Path Is the Place in the Line". In a similar example, sculptor Gar Waterman created a giant arch measuring 35x37x3 feet which straddled a city street in New Haven, Connecticut. Amongst the works of the last thirty years that have met greatest critical and popular acclaim are pieces by Christo,Robert Smithson, Andy Goldsworthy, and Anthony Gormley where the artwork reacts to or incorporates its environment.
Artists making Public art range from the greatest masters such as Michelangelo, Pablo Picasso, and Joan Miró, to those who specialize in public art such as Claes Oldenburg and Pierre Granche, to anonymous artists who make surreptitious interventions