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

Thomas Edison

While working as a railway newsboy on the Detroit-Port Huron line, Tom Edison often stopped in Mount Clemens. He made friends with station agent J. U. Mackenzie and in 1862 saved Mackenzie’s young...

While working as a railway newsboy on the Detroit- Port Huron line, Tom Edison often stopped in Mount Clemens. He made friends with station agent J. U. Mackenzie and in 1862 saved Mackenzie’s...

  • michigan
  • michigan his...

Jackson Square

From the Flickr group Historical Markers, photo by Jason Riedy, full page.License is Attribution License

From the Flickr group Historical Markers, photo by Jason Riedy, full page.License is Attribution License

    First International Tunnel

    At this point the Grand Trunk Western Railroad tunnel, linking Port Huron with Canada, passes underneath Gratiot Avenue. This international submarine railway tunnel—first in the world—was opened...

    At this point the Grand Trunk Western Railroad tunnel, linking Port Huron with Canada, passes underneath Gratiot Avenue. This international submarine railway tunnel—first in the world—was opened...

    • michigan
    • michigan his...

    Morgan Hill

    WAITING FOR THE TRAIN BY MARLENE AMERIAN   UNVEILED AS PART OF CENTENNIAL CELEBRATIONS APRIL 29, 2007   THIS BRONZE SCULPTURE DEPICTS ONE OF MORGAN MILL'S EARLY FOUNDING FAMILIES, HIRAM MORGAN...

    WAITING FOR THE TRAIN BY MARLENE AMERIAN   UNVEILED AS PART OF CENTENNIAL CELEBRATIONS APRIL 29, 2007   THIS BRONZE SCULPTURE DEPICTS ONE OF MORGAN MILL'S EARLY FOUNDING FAMILIES, HIRAM MORGAN...

      Harold Ross

      HAROLD ROSS 1892 - 1951 The magazine editor, who said "if you can't be funny, be interesting",lived here when he founded The New Yorker in 1925. At his 1923 "housewarming" were Dorthy Parker,...

      HAROLD ROSS 1892 - 1951 The magazine editor, who said "if you can't be funny, be interesting",lived here when he founded The New Yorker in 1925. At his 1923 "housewarming" were Dorthy Parker,...

        Women Veterans Monument

        WOMEN VETERANS MONUMENT DEDICATED BY THE  DANIEL M. O'CONNELL POST NO. 272  AMERICAN LEGION AND FRIENDS,  SEPTEMBER 24, 1989 IN GRATEFUL RECOGNITION OF ALL  THOSE WOMEN WHO SERVED THEIR COUNTRY IN...

        WOMEN VETERANS MONUMENT DEDICATED BY THE  DANIEL M. O'CONNELL POST NO. 272  AMERICAN LEGION AND FRIENDS,  SEPTEMBER 24, 1989 IN GRATEFUL RECOGNITION OF ALL  THOSE WOMEN WHO SERVED THEIR COUNTRY IN...

          Memorial Avenue of Elms

          MEMORIAL AVENUE OF ELMSIn 1922 this avenue of elms was completed, and was dedicated as a living memorial to the men from the Manitoba Agricultural College, who had laid down their lives for their...

          MEMORIAL AVENUE OF ELMSIn 1922 this avenue of elms was completed, and was dedicated as a living memorial to the men from the Manitoba Agricultural College, who had laid down their lives for...

          • winnipeg
          • manitoba
          • "world war i"
          • wwi
          • memorial
          • "university ...

          Imperial Bank of Canada

          HISTORIC WINNIPEGImperial Bank of Canada1906On this site the Imperial Bank of Canada opened the first branch of the bank in Winnipeg on January 4, 1881. The original Robertson Block was replaced...

          HISTORIC WINNIPEGImperial Bank of Canada1906On this site the Imperial Bank of Canada opened the first branch of the bank in Winnipeg on January 4, 1881. The original Robertson Block was replaced...

          • winnipeg
          • manitoba
          • "imperial bank"
          • bank

          Fort Craillo

          2500 FEET  FORT CRAILO  "YANKEE DOODLE"  WRITTEN THERE 1758 Submitted by @portraysMadison

          2500 FEET  FORT CRAILO  "YANKEE DOODLE"  WRITTEN THERE 1758 Submitted by @portraysMadison

            Gefrin

            AT THIS PLACE WAS GEFRIN ROYAL TOWNSHIP OF THE SEVENTH CENTURY ANGLO-SAXON KINGS OF NORTHUMBRIA HERE THE MISSIONARY PAULINUS IN A.D. 627 INSTRUCTED THE PEOPLE IN CHRISTIANITY FOR THIRTY SIX DAYS...

            AT THIS PLACE WAS GEFRIN ROYAL TOWNSHIP OF THE SEVENTH CENTURY ANGLO-SAXON KINGS OF NORTHUMBRIA HERE THE MISSIONARY PAULINUS IN A.D. 627 INSTRUCTED THE PEOPLE IN CHRISTIANITY FOR THIRTY SIX DAYS...

            • 627
            • paulinus
            • northumbria

            Chicago Sister Cities International

            Chicago Sister Cities International  In the spirit of global citizenship  Francis W Parker School Class of 2019,  in collaboration with their teachers, offers  these signs as a gift to the City of...

            Chicago Sister Cities International  In the spirit of global citizenship  Francis W Parker School Class of 2019,  in collaboration with their teachers, offers  these signs as a gift to the City of...

              Michigan Central Freighthouse

              The Michigan Central Railroad (MCRR) came to Ypsilanti in 1838, transforming the farming community into a transportation center. This Italianate structure, built in 1878, increased the...

              The Michigan Central Railroad (MCRR) came to Ypsilanti in 1838, transforming the farming community into a transportation center. This Italianate structure, built in 1878, increased...

              • michigan
              • michigan his...

              Cannery and Packing House

                Michigan Paper Company Mill

                On January 26, 1886, twenty-five businessmen founded the Michigan Paper Company. Daniel Albertson, a mill designer from Kalamazoo, built the mill complex using slow-burn construction methods....

                On January 26, 1886, twenty-five businessmen founded the Michigan Paper Company. Daniel Albertson, a mill designer from Kalamazoo, built the mill complex using slow-burn construction methods....

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                • michigan his...

                St. Joseph's Retreat

                In 1885 Michigan’s first private mental institution was located here under the guidance of the Daughters of Charity of St. Vincent de Paul. In 1855 the Sisters at St. Mary’s Hospital in Detroit...

                In 1885 Michigan’s first private mental institution was located here under the guidance of the Daughters of Charity of St. Vincent de Paul. In 1855 the Sisters at St. Mary’s Hospital in Detroit...

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                • michigan his...

                Juneteenth

                  JUNETEENTH COMMEMORATED ANNUALLY ON JUNE 19TH, JUNETEENTH IS THE OLDEST KNOWN CELEBRATION OF THE END OF SLAVERY IN THE U.S THE EMANCIPATION PROCLAMATION, ISSUED BY PRESIDENT ABRAHAM LINCOLN ON...

                  JUNETEENTH COMMEMORATED ANNUALLY ON JUNE 19TH, JUNETEENTH IS THE OLDEST KNOWN CELEBRATION OF THE END OF SLAVERY IN THE U.S THE EMANCIPATION PROCLAMATION, ISSUED BY PRESIDENT ABRAHAM LINCOLN ON...

                • juneteenth
                • texas

                Frederick Pelham: Bridge Engineer

                Frederick Pelham: Bridge Engineer   Frederick Pelham was born on November 7, 1864.  He attended school in Detroit.  In 1887, he became the first African American to receive an Engineering Degree...

                Frederick Pelham: Bridge Engineer   Frederick Pelham was born on November 7, 1864.  He attended school in Detroit.  In 1887, he became the first African American to receive an Engineering...

                  La Gota de Leche historical marker

                  Mapagkawanggawang proyekto ng La Proteccion de la Infancia na nagbibigay ng gatas sa mga sanggol. Pinasinayaan sa Daang San Pedro, ngayon Daang Evangelista, Quiapo, 1907. Nagpatayo ng bagong...

                  Mapagkawanggawang proyekto ng La Proteccion de la Infancia na nagbibigay ng gatas sa mga sanggol. Pinasinayaan sa Daang San Pedro, ngayon Daang Evangelista, Quiapo, 1907. Nagpatayo ng...

                  • philippines
                  • encyclopedia...

                  San Pedro Macati historical marker

                  Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is CC-BY-SA-4.0.

                  Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is CC-BY-SA-4.0.

                  • philippines
                  • encyclopedia...

                  Our Lady of Peace and Good Voyage historical marker

                  Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is CC-BY-SA-3.0.

                  Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is CC-BY-SA-3.0.

                  • philippines
                  • encyclopedia...