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

Ernest M. Hemingway, Class of 1917

From the Flickr group Historical Markers, photo by Crawford Brian, full page.License is Attribution-NonCommercial-ShareAlike License

From the Flickr group Historical Markers, photo by Crawford Brian, full page.License is Attribution- NonCommercial-ShareAlike License

    Nun of the Above

    IN MEMORY OF EVERY NUM OF THE ABOVE SISTERS OF PERPETUAL INDULGENCE

    IN MEMORY OF EVERY NUM OF THE ABOVE SISTERS OF PERPETUAL INDULGENCE

      Blue Star Memorial HIghway

        Great White Cherry

        • sister city
        • osaka
        • san francisco

        Mill Bay Laundry

        From the Flickr group Historical Markers, photo by chrisinplymouth, full page.License is Attribution-NonCommercial-ShareAlike License

        From the Flickr group Historical Markers, photo by chrisinplymouth, full page.License is Attribution- NonCommercial-ShareAlike License

          Mackinac Conference

          On September 6, 1943, Michigan’s Republican United States senator, Arthur H. Vandenberg, chaired the meeting of the Post War Advisory Council. Republican National Committee chairman Harrison...

          On September 6, 1943, Michigan’s Republican United States senator, Arthur H. Vandenberg, chaired the meeting of the Post War Advisory Council. Republican National Committee chairman...

          • michigan
          • michigan his...

          A Tree for You and Me

            The Cape Ray Telegraph Cable

            From the Flickr group Historical Markers, photo by HystericalMark, full page.License is Attribution-ShareAlike License

            From the Flickr group Historical Markers, photo by HystericalMark, full page.License is Attribution- ShareAlike License

              World's Largest Limestone Quarry

              Limestone is a mineral raw material essential in making steel, chemicals, and cement. Henry H. Hindshaw, a geologist, established in 1908-09 the commercial value of this area’s limestone for...

              Limestone is a mineral raw material essential in making steel, chemicals, and cement. Henry H. Hindshaw, a geologist, established in 1908-09 the commercial value of this area’s limestone...

              • michigan
              • michigan his...

              River Street

                Gagetown / Gagetown

                Brothers Joseph and James Gage immigrated from Canada in 1860. Joseph filed a homestead claim in Elmwood Township. In 1869, Joseph built a store and mill on his land. Two years later, he platted...

                Brothers Joseph and James Gage immigrated from Canada in 1860. Joseph filed a homestead claim in Elmwood Township. In 1869, Joseph built a store and mill on his land. Two years later, he...

                • michigan
                • michigan his...

                Indian Landing- Charlton Park

                In the early nineteenth century the Thornapple band of Ottawa Indians established a village a short distance from Thornapple Lake. It was served in the 1840s by a Methodist mission and school...

                In the early nineteenth century the Thornapple band of Ottawa Indians established a village a short distance from Thornapple Lake. It was served in the 1840s by a Methodist mission and...

                • michigan
                • michigan his...

                Grant Water Tower

                Among the last of the wooden water towers in Michigan, the Grant Water Tower was built beside the depot in 1891 by the Grand Rapids, Newaygo and Lakeshore Railroad. It cost $1,910 and could hold...

                Among the last of the wooden water towers in Michigan, the Grant Water Tower was built beside the depot in 1891 by the Grand Rapids, Newaygo and Lakeshore Railroad. It cost $1,910 and could...

                • michigan
                • michigan his...

                John C. Blanchard / John and Harriet Blanchard House

                John Celsus Blanchard (1822-1905) epitomizes the American “self-made man.” He left his home in Cayuga County, New York, at age fourteen, bound for the western frontier. Blanchard worked as a...

                John Celsus Blanchard (1822-1905) epitomizes the American “self-made man.” He left his home in Cayuga County, New York, at age fourteen, bound for the western frontier. Blanchard worked as...

                • michigan
                • michigan his...

                Newburgh Cemetery

                An organization, later known as the Newburgh Cemetery Society, was formed on November 23, 1832, to establish and maintain this cemetery, the first in the present city of Livonia. One grave, that...

                An organization, later known as the Newburgh Cemetery Society, was formed on November 23, 1832, to establish and maintain this cemetery, the first in the present city of Livonia. One grave, that...

                • michigan
                • michigan his...

                Bay View Association / Bay View

                Beginning in 1875 as a Methodist camp, the Bay View Association encouraged scientific and intellectual development within a religious community. In 1885 John M. Hall of Flint began the summer...

                Beginning in 1875 as a Methodist camp, the Bay View Association encouraged scientific and intellectual development within a religious community. In 1885 John M. Hall of Flint began the summer...

                • michigan
                • michigan his...

                No Home on the Home Front

                • wwii
                • japanese internment
                • richmond

                Divided We Live

                • richmond
                • rosie the riveter
                • jim crow

                Rosie the Riveter Memorial

                • wwii
                • rosie the riveter
                • richmond

                Transforming the Waterfront

                • richmond
                • rosie the riveter