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

The Fern

The Fern One seed, one spore, one idea at a time. Like a fern, A community starts out small, tight and often unnoticed. As it grows it opens up, and fans out,  becoming part of its environment and...

The Fern One seed, one spore, one idea at a time. Like a fern, A community starts out small, tight and often unnoticed. As it grows it opens up, and fans out,  becoming part of its environment...

    Manistee Mission House

    Trading Post A surprising historical fact is that stores along the Manistee River in this area actually pre-date settlement by white or European settlers which commenced in 1841 with the arrival...

    Trading Post A surprising historical fact is that stores along the Manistee River in this area actually pre-date settlement by white or European settlers which commenced in 1841 with the...

      Portage Lake Region

      Historical Marker The Portage Lake Region   Following the fur traders into this region came a few adventurous lumbermen looking for saw-mill sites.  Interested by what he saw in 1840, Joseph...

      Historical Marker The Portage Lake Region   Following the fur traders into this region came a few adventurous lumbermen looking for saw-mill sites.  Interested by what he saw in 1840,...

        Grandad Bluff

        Submitted by @stephenbernau

        Submitted by @stephenbernau

          California Street Cable Car Line and Leland Stanford

          IN HONOR OF THE ONE HUNDREDTH ANNIVERSARY OF THE CALIFORNIA STREET CABLE CARS LINE AND LELAND STANFORD AMONG THE SIGNIFICANT CONTRIBUTIONS OF THE GOVERNOR LELAND STANFORD FAMILY, WHOSE HOME WAS...

          IN HONOR OF THE ONE HUNDREDTH ANNIVERSARY OF THE CALIFORNIA STREET CABLE CARS LINE AND LELAND STANFORD AMONG THE SIGNIFICANT CONTRIBUTIONS OF THE GOVERNOR LELAND STANFORD FAMILY, WHOSE HOME WAS...

          • san francisco
          • california
          • bay area
          • leland stanford
          • california street
          • cable car

          Robert Frost

          1874 - 1963  ROBERT LEE FROST THIS GREAT POET WAS BORN IN SAN FRANCISCO, MARCH 26, 1874. FIRST CHILD OF WILLIAM PRESCOTT FROST JR. AND ISABELLE MOODIE FROST. HE LIVED IN SEVEN HOUSES HERE ALL EAST...

          1874 - 1963  ROBERT LEE FROST THIS GREAT POET WAS BORN IN SAN FRANCISCO, MARCH 26, 1874. FIRST CHILD OF WILLIAM PRESCOTT FROST JR. AND ISABELLE MOODIE FROST. HE LIVED IN SEVEN HOUSES HERE ALL EAST...

          • san francisco
          • california
          • bay area
          • poetry
          • kennedy
          • frost
          • gold

          Elwha

          IN HONOR OF INAUGURAL CEREMONIES M. V. ELWHA MRS. CHARLES G. PRAHL, SPONSOR MRS. A. F. EIKU, MATRON-OF-HONOR PORT ANGELES, WASHINGTON JUNE 15, 1968

          IN HONOR OF INAUGURAL CEREMONIES M. V. ELWHA MRS. CHARLES G. PRAHL, SPONSOR MRS. A. F. EIKU, MATRON- OF-HONOR PORT ANGELES, WASHINGTON JUNE 15, 1968

          • elwa
          • port angeles
          • washington

          Fort Adams / Fort Pike(1797-98)

          With Chickasaw approval, Army Captain Isaac Guion erected the United States' first garrison in the mid-Mississippi Valley here in October of 1797. Initially named Fort Adams for the second U.S....

          With Chickasaw approval, Army Captain Isaac Guion erected the United States' first garrison in the mid-Mississippi Valley here in October of 1797. Initially named Fort Adams for the second...

          • shelby county
          • tennessee

          Paul W. Barret

          In the community of Barretville, which had been established in 1852 by his grandfather, Anthony Barret (1827-1910), Paul Weisiger Barret (1899-1976) co-founded Barretville Bank & Trust Company in...

          In the community of Barretville, which had been established in 1852 by his grandfather, Anthony Barret (1827-1910), Paul Weisiger Barret (1899-1976) co-founded Barretville Bank & Trust Company in...

          • shelby county
          • tennessee

          The Arts Working for Cities

          Submitted by @caddickbrown

          Submitted by @caddickbrown

            You Made My Valley Green

            Jenny Wollett Campbell July 24, 1953 - September 16, 1986 "You made my valley green, dear girl" Than you. Love, Daddy

            Jenny Wollett Campbell July 24, 1953 - September 16, 1986 "You made my valley green, dear girl" Than you. Love, Daddy

            • marin
            • thank you

            In Memory Of

            IN MEMORY OF CONSTANCE FENTON 1931 - 1984

            IN MEMORY OF CONSTANCE FENTON 1931 - 1984

            • marin
            • in memory of

            You Filled Our Hearts With Sunshine

            Penny Wollett September 21, 1971 - May 9, 1997 Mother of Jenny Kay; Daughter of Don; Friend of many "You filled our hearts with sunshine." We love you, Dan and Jennifer

            Penny Wollett September 21, 1971 - May 9, 1997 Mother of Jenny Kay; Daughter of Don; Friend of many "You filled our hearts with sunshine." We love you, Dan and Jennifer

            • marin
            • in memory of
            • we love you

            In Loving Memory

            IN LOVING MEMORY LARRY KRAMER 1926 - 2005  IN LOVING MEMORY SUE F. KRAMER 1927 - 2014  IN LOVING MEMORY EDWARD M. LEWIS 1923 - 1996

            IN LOVING MEMORY LARRY KRAMER 1926 - 2005  IN LOVING MEMORY SUE F. KRAMER 1927 - 2014  IN LOVING MEMORY EDWARD M. LEWIS 1923 - 1996

            • marin
            • in memory of

            Field of Dogs

            TO COMMEMORATE THE WORK OF aMARIO DiPALMA 1934-2003 IN CREATING "FIELD OF DOGS" FROM HIS AMERICAN AND EUROPEAN COLLEAGUES

            TO COMMEMORATE THE WORK OF aMARIO DiPALMA 1934-2003 IN CREATING "FIELD OF DOGS" FROM HIS AMERICAN AND EUROPEAN COLLEAGUES

              Marin County Civic Center

              The Civic Center Complex was designed by Frank Lloyd Wright (1869-1959) near the end of his long career. The Administration Building was completed in 1962 and the Hall of Justice in 1970. They are...

              The Civic Center Complex was designed by Frank Lloyd Wright (1869-1959) near the end of his long career. The Administration Building was completed in 1962 and the Hall of Justice in 1970. They...

              • marin
              • california
              • frank lloyd wright

              Midway - Mile 0 of the Kettle Valley Railway

              Midway - Mile 0 of the Kettle Valley Railway In 1910 a rail link pushed westward from Midway to transport the riches of the Kootenays, Boundaray, and Similkameen to the coast via an all-Canadian...

              Midway - Mile 0 of the Kettle Valley Railway In 1910 a rail link pushed westward from Midway to transport the riches of the Kootenays, Boundaray, and Similkameen to the coast via an...

              • british columbia
              • railway
              • riches
              • 1910

              Frank Slide

              HERE LIE THE REMAINS OF THOSE WHO LOST THEIR LIVES IN THE TRAGIC FRANK SLIDE ON THE MORNING OF APRIL 29, 1903 ~ MAY THEY REST IN PEACE ~ THIS MEMORIAL ERECTED AND MAINTAINED BYTHE BLAIRMORE LIONS...

              HERE LIE THE REMAINS OF THOSE WHO LOST THEIR LIVES IN THE TRAGIC FRANK SLIDE ON THE MORNING OF APRIL 29, 1903 ~ MAY THEY REST IN PEACE ~ THIS MEMORIAL ERECTED AND MAINTAINED BYTHE BLAIRMORE LIONS...

              • alberta
              • frank slide
              • 1903

              Used to Rescue Horses

              THE RAMP UP TO THE TOWPATH OPPOSITE THIS WALL IS ONE OF  A PAIR EITHER SIDE OF THE RAILWAY BRIDGE AND WAS USED TO RESCUE HORSES, WHICH WHEN STARTED BY THE TRAINS SOMETIMES BOLTED AND FELL INTO THE...

              THE RAMP UP TO THE TOWPATH OPPOSITE THIS WALL IS ONE OF  A PAIR EITHER SIDE OF THE RAILWAY BRIDGE AND WAS USED TO RESCUE HORSES, WHICH WHEN STARTED BY THE TRAINS SOMETIMES BOLTED AND FELL INTO THE...

              • london
              • horses
              • started
              • trains
              • towpath

              Descartes's House in Stockholm

              I detta kvarter levde och vekade den franske filosofen och matematikern  Rene Descartes  fran oktober 1649 till sin dod i februari 1650 Submitted by @sally_holloway

              I detta kvarter levde och vekade den franske filosofen och matematikern  Rene Descartes  fran oktober 1649 till sin dod i februari 1650 Submitted by @sally_holloway

              • stockhold
              • sweden
              • descartes
              • 1649
              • cartesian