"The Gates" project, created by artists Christo and Jeanne-Claude, in New York's Central Park, February 12, 2005. The massive public art installation covers miles of footpaths in Central Park.
Shannon Stapleton/Reuters
A wall mural painted by Brazilian graffiti artists Os Gemeos in Boston, August 8, 2012.
Dominick Reuter/Reuters
A student sits on a park bench while studying in the morning light at the University of California San Diego with a mural in the background in San Diego, Calif., January 27, 2015.
Mike Blake/Reuters
A mural by artist Diego Rivera at the Art Institute of Detroit in Detroit, Mich., December 3, 2013.
Joshua Lott/Reuters
Artist Olafur Eliasson's "Waterfalls" art installation is pictured at the Brooklyn Bridge over the East River in New York, June 26, 2008.
Eric Thayer/Reuters
People look at inflated spheres in MacArthur Park Lake as part of Portraits of Hope's exhibition "Spheres at MacArthur Park" in Los Angeles, September 4, 2015. The installation features about 3,000 inflatable hand-painted spheres.
Mario Anzuoni/Reuters
Cadillac Ranch, an installation created in 1974 by Chip Lord, Hudson Marquez and Doug Michels, who were a part of the art group Ant Farm, in Amarillo, Texas.
Michael S. Williamson/The Washington Post, via Getty
A man walks past a mural in the Echo Park area of Los Angeles, August 5, 2014.
Lucy Nicholson/Reuters
Artist John Coleman paints faces of pets on a mural at the Animal Hospital of Desert Hot Springs Save-A-Pet clinic in Desert Hot Springs, Calif., December 2, 2013.
Kevork Djansezian/Reuters
