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

Richmond Public Library A.D. 1923

    Clam Lake Canal

    in 1873 the Clam Lake canal was constructed between Big and Little Clam lakes present-day Lake Mitchell and Cadillac.  Lumbering was the major industry in the Clam Lake area and saw mill owners...

    in 1873 the Clam Lake canal was constructed between Big and Little Clam lakes present-day Lake Mitchell and Cadillac.  Lumbering was the major industry in the Clam Lake area and saw mill...

    • michigan
    • lumbering

    Who Knew Above All Things The Magic of Books

    • susskind

    Allison Van Norman

      North Branch Library

        McAdam Railway Station

        Submitted by @bthubbard

        Submitted by @bthubbard

          Don Messer

          Submitted by @bthubbard

          Submitted by @bthubbard

          • fiddler
          • messer

          The Linden Oak

          THE LINDEN OAK The oldest White Oak tree in Montgomery County was saved from destruction by the Metro construction in 1973 by Idamae Garrott. A great champion of the people and of the environment,...

          THE LINDEN OAK The oldest White Oak tree in Montgomery County was saved from destruction by the Metro construction in 1973 by Idamae Garrott. A great champion of the people and of the environment,...

          • linden oak
          • imageryan
          • montgomery
          • maryland

          Cincinnati Union Terminal Time Capsule

          Submitted by @kevl42

          Submitted by @kevl42

            Cincinnati Union Terminal

            Submitted by @kevl42

            Submitted by @kevl42

              Tomb of an Unknown Soldier

              Submitted by @DaraGreen

              Submitted by @DaraGreen

              • civil war
              • signal knob

              Over the Rhine

              [Location approximate]Submitted by @kevl42

              [Location approximate]Submitted by @kevl42

              • ohio
              • rhine
              • canal

              Anne Frank's Tree

              Submitted by @joepevans

              Submitted by @joepevans

              • wwii
              • holocaust
              • anne frank

              Simon Bolivar

                Hotel Whitcomb Temporary City Hall 1912 to 1915

                  Lincoln, SF City Hall

                    Darwin studies geology

                    The location at which Charles Darwin first used a clinometer to measure the tilt of geological strata.Submitted by Alistair Wylie

                    The location at which Charles Darwin first used a clinometer to measure the tilt of geological strata.Submitted by Alistair Wylie

                    • charles darwin
                    • geology
                    • clinometer
                    • adam sedgwick

                    Duck Lane, Builth Wells

                    Origins of Duck Lane, Builth WellsSubmitted by: Alistair Wylie

                    Origins of Duck Lane, Builth WellsSubmitted by: Alistair Wylie

                    • ducks
                    • builth wells

                    Newton County, CSA

                    Supply and military center in the Civil War. Target area for Federals trying to move up the Sabine or across Louisiana and take Texas. Confederates built breastworks and maintained arsenal at...

                    Supply and military center in the Civil War. Target area for Federals trying to move up the Sabine or across Louisiana and take Texas. Confederates built breastworks and maintained arsenal at...

                    • texas
                    • civil war

                    Deweyville

                    Original site, called "Possum Bluff," was purchased for $200 by Pierre Lavine from H.L. Morrison in 1886. The Sabine Tram Company purchased the land in 1897 from G. Smyth and a sawmill was built...

                    Original site, called "Possum Bluff," was purchased for $200 by Pierre Lavine from H.L. Morrison in 1886. The Sabine Tram Company purchased the land in 1897 from G. Smyth and a sawmill was built...

                    • texas