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

Science, Biology, Geology, Native Peoples, Heritage Square

Submitted by @JimStLeger

Submitted by @JimStLeger

    Damian Rios

      Alleyways in Chinatown

        Quality Row

        Cambridge Historical Commission Quality Row These substantial houses on Third Street were built for wealthy owners giving the street its popular name 1860

        Cambridge Historical Commission Quality Row These substantial houses on Third Street were built for wealthy owners giving the street its popular name 1860

          Oldest Church in East Cambridge

          Cambridge Historical Commission Oldest Church in East Cambridge Erected by the Third Congregational Society early Minister James D. Green elected first Mayor of Cambridge, 1846, became Holy Cross...

          Cambridge Historical Commission Oldest Church in East Cambridge Erected by the Third Congregational Society early Minister James D. Green elected first Mayor of Cambridge, 1846, became Holy...

            Frank Lloyd Wright

            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

              "Gypsy" Joe Hanxtik

                Charles (Chuck) Presley Eschbach

                  St. Ignatius Of Loyola Church And Cemetery /

                  By the 1740s, French Catholic missionaries had come to this area, known to the Odawa as Waganakising, to minister to local tribes. Later, missionary work was taken up by others, including Bishop...

                  By the 1740s, French Catholic missionaries had come to this area, known to the Odawa as Waganakising, to minister to local tribes. Later, missionary work was taken up by others, including Bishop...

                  • michigan
                  • michigan his...

                  Bench marking Oglethorpe's tent

                  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

                    Fairbank

                    Submitted by @JoshColle and @JJScottishGirl

                    Submitted by @JoshColle and @JJScottishGirl

                    • toronto
                    • ontario

                    Lincoln's First Challenge of Douglas

                      WINCHESTER, ILLINOIS LINCOLN'S FIRST CHALLENGE OF DOUGLAS AND DESTINY   ABRAHAM LINCOLN FIRST PUBLICLY CHALLENGED U.S. SENATOR STEPHEN A. DOUGLAS'S "NEBRASKA BILL" DURING A WHIG COUNTY...

                      WINCHESTER, ILLINOIS LINCOLN'S FIRST CHALLENGE OF DOUGLAS AND DESTINY   ABRAHAM LINCOLN FIRST PUBLICLY CHALLENGED U.S. SENATOR STEPHEN A. DOUGLAS'S "NEBRASKA BILL" DURING A WHIG...

                    • lincoln
                    • douglas
                    • 1854
                    • so aroused
                    • 13th amendment

                    Charles River Basin Commission

                    Commonwealth of Massachusetts Charles River Basin Commission Comissioners Henry S. Pritchett Joshua B. Holden Henry D. Yerxa Edgar R. Champlin William S. Youngman Secretary Hiram A. Miller Chief...

                    Commonwealth of Massachusetts Charles River Basin Commission Comissioners Henry S. Pritchett Joshua B. Holden Henry D. Yerxa Edgar R. Champlin William S. Youngman Secretary Hiram A. Miller...

                      Round Island Lighthouse

                      The Round Island Lighthouse, seen south of this site, was completed in 1895. Operating under the auspices of the United States government, this facility was in continuous use for fifty-two years....

                      The Round Island Lighthouse, seen south of this site, was completed in 1895. Operating under the auspices of the United States government, this facility was in continuous use for fifty-two years....

                      • michigan
                      • michigan his...

                      Hiawatha Pageant

                      From 1905 to 1915, summer resorters came here to experience “The Indian Play Hiawatha.” Canadian Louis O. Armstrong worked with Ojibwa from the Garden River Reserve in Ontario, to create the...

                      From 1905 to 1915, summer resorters came here to experience “The Indian Play Hiawatha.” Canadian Louis O. Armstrong worked with Ojibwa from the Garden River Reserve in Ontario, to create...

                      • michigan
                      • michigan his...

                      The Widening of High Street Croydon

                      THIS TABLETCOMMEMORATES THE WIDENING OF HIGH STREET CROYDON FROM A WIDTH OF 29 FEET TO ITS PRESENT WIDTH OF 50 FEET A.D MDCCCXCVIFREDERICK THOMAS EDRIDGE J.P. MAYOR Submitted by @BryanDaveyLdn ...

                      THIS TABLETCOMMEMORATES THE WIDENING OF HIGH STREET CROYDON FROM A WIDTH OF 29 FEET TO ITS PRESENT WIDTH OF 50 FEET A.D MDCCCXCVIFREDERICK THOMAS EDRIDGE J.P. MAYOR Submitted by @BryanDaveyLdn ...

                      • mdcccxcvi
                      • 29 feet
                      • 50 feet

                      Girard T. Wolf

                      Submitted by Darren Platt

                      Submitted by Darren Platt

                        Marcia Francesca Beach

                        Submitted by Darren Platt

                        Submitted by Darren Platt

                          Here Stood the House of Sir Isaac Newton

                          Submitted by @theonlymfkirke

                          Submitted by @theonlymfkirke

                          • newton

                          Neagle Memorial Park

                          Neagle Memorial Park Named in loving memory of Rt. Rev. Richard Neagle July 19, 1854 - June 18, 1943 Beloved Pastor of the Immaculate Conception Church for forty-seven years Loyal friend - Civic...

                          Neagle Memorial Park Named in loving memory of Rt. Rev. Richard Neagle July 19, 1854 - June 18, 1943 Beloved Pastor of the Immaculate Conception Church for forty-seven years Loyal friend - Civic...