Amazon River Region (South America)
American Apparel Factory (Los Angeles, CA)
Anacostia River (MD & Washington, D.C.)
Appalachian region (Eastern United States)
Bhopal Union Carbide Plant (Bhopal, India)
Biscayne Aquifer (South Florida)
Bowling Green Park (New York, NY)
Brooklyn Bridge (New York, NY)
Brooklyn-Queens Expressway (New York, NY)
Brown University (Providence, RI)
Cabo de Gata (Andalucia, Spain)
Constitution Gardens (Washington, D.C.)
Dupont Circle (Washington, D.C.)
East Providence (Rhode Island)
Faneuil Hall Marketplace (Boston, MA)
Farragut Square (Washington, D. C.)
Fen River (Shanxi Sheng, China)
Fort Point District (Boston, Mass.)
Franklin Square (Washington, D.C.)
Fulton Street Alley (Providence, RI)
Guyandotte River Watershed (West Virginia)
Inglewood Oil Field (Los Angeles, CA)
Kelly Ingram Park (Birmingham, AL)
John F. Kennedy International Airport (New York)
Logan Circle (Washington, D.C.)
Lower Rio Grande Valley (Texas)
Mabrouka IDP Camp (Mabrouka, Syria)
Market Square (Providence, RI)
McMillan Sand Filtration Plant (Washington, D.C.)
McPherson Square (Washington, D.C.)
Madison Square Park (New York, NY)
Maumee River Watershed (Indiana and Ohio)
Moshassuck River (Rhode Island)
Nantucket Island (Massachusetts)
National Mall (Washington, D.C.)
Neuse River Estuary (North Carolina)
New Bedford Harbor (New Bedford, MA)
New York subway (New York, NY)
Port Richmond Rail Yards (Philadelphia, PA)
Prospect Park (Providence, RI)
Providence Bridge Park (Rhode Island)
Prudence Island (Rhode Island)
Quabbin Reservoir (Boston, MA)
(La) Quemada (Guadalajara, Mexico)
Red Hook Grain Terminal (New York, NY)
Franklin D. Roosevelt East River Drive (New York, NY)
Theodore Roosevelt Island (Washington, D.C.)
South Boston Naval Annex (Boston, MA)
South Providence (Rhode Island)
Staten Island Boat Graveyard (Staten Island, NY)
Taunton River Watershed (Taunton, MA)
Vārānasi (Uttar Pradesh, India)
Washington Circle (Washington, D.C.)
West Roxbury Quarry (West Roxbury, MA)
Woonasquatucket River (Rhode Island)