EntityQ191938· pop 6· linked from 187 articlesZero MilestoneSign in to saveartwork by Horace W. PeasleeConnectionskilometre zeroEntityUnited StatesCountryWashington, D.C.EntitySan FranciscoEntityMassachusettsEntitygeographic coordinate systemEntityWhite HouseConceptbronzeEntityRoman RepublicEntityUnited States CongressEntityLibrary of CongressEntityThe PentagonEntityPrecambrianEntityUnited States ArmyEntityPotomac RiverEntityUnited States CapitolEntityRoman ForumEntityWashington MonumentEntitySmithsonian InstitutionEntityArlington National CemeteryEntityCategories1923 establishments in Washington, D.C.Individual signs in the United StatesKilometre-zero markersMonuments and memorials in Washington, D.C.Road signs in the United States