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

Goulburn Weir

Submitted by @markfilops

Submitted by @markfilops

  • conveys water
  • weir
  • canal
  • goulburn
  • murray

Monocoupe D-145

Monocoupe D-145 ca. 1941 This Monocoupe D-145 was one of the last airplanes produced by Monocoupe before the outbreak of World War II. The Monocoupe Aircraft Corporation, founded in Bettendorf,...

Monocoupe D-145 ca. 1941 This Monocoupe D-145 was one of the last airplanes produced by Monocoupe before the outbreak of World War II. The Monocoupe Aircraft Corporation, founded in Bettendorf,...

  • louisiana
  • aviation

Golden Gate Park Carousel

    Boundary Line

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

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

      Pere Marquette Railway Depot

      Completed in 1921 for the Pere Marquette Railway, this depot is typical of the railroad stations that served Michigan towns during the early decades of the twentieth century. The depot replaced an...

      Completed in 1921 for the Pere Marquette Railway, this depot is typical of the railroad stations that served Michigan towns during the early decades of the twentieth century. The depot replaced an...

      • michigan
      • michigan his...

      Lipson Lake

      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

        Waldenses

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

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

          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...