A gigantic map of all the cool plaques in the world. A project of 99% Invisible.

The Jefferson Highway

The Louisiana Purchase of 1803 was the first large step for the United States to complete its calling of Manifest Destiny to expand from sea to shining sea. Though national attention focused on...

  • louisiana
  • natchitoches parish
  • highway

William Hodge Barnhill

In memory of William Hodge Barnhill, his family and descendants. Here on his homeplace April 3, 1864 he and his sons buried a Confederate soldier killed by Union forces. This gravesite...

  • louisiana
  • civil war
  • state park

Grave of Unknown Confederate Soldier

Here lies an unknown Confederate, killed by Union troops, April 2, 1864, during the Red River Campaign. This soldier had been cut off from his unit following a skirmish at nearby Crump's Hill. He...

  • louisiana
  • civil war
  • gravesite
  • state park

Williams Memorial Arch

    The "Snail in the Bottle" Case

    Submitted by @LynnieYankee.

      Coal Miners in Colorado

      DEDICATED JANUARY 1977 TO THE MEMORY OF THE COAL MINERS LOUISVILLE, COLORADO 1878 "TO LIVE IN THE HEARTS WE LEAVE BEHIND IS NOT TO DIE" submitted by John Bradley JEB

      • mining
      • coal mining
      • louisville
      • colorado
      • statue

      Prince Albert Red Deer Forks Trail

      Prince Albert Red Deer Forks TrailFirst Nations people would have used this trail for many years but documented use of this trail began in 1800 when the Hudson's Bay Company built...

      • saskatchewan
      • asquith
      • fur trade
      • hudson's bay company
      • northwest mo...
      • métis

      Sandstone Trough, Olvera Street, Los Angeles

      Sandstone Trough used for feeding crushed acorns to livestock, hewn in 1897, by the Schweikand Family on their San Fernando Valley Ranch. Presented, in 1930, by The Department of Water and Power...

        Marcha del Rector

        El 1° de agosto de 1968 la Universidad llegó hasta aquí encabezada por su rector JAVIER BARROS SIERRA.Brazo con brazo, estudiantes y maestros de todo México protagonizaron ese día la...

          Inquisition

          Frente a este lugar estuvo el quemadero de la Inquisición de 1596 a 1771. Dirección de monumentos coloniales y de la República.- In front of this place was the burner of the Inquisition from 1596...