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

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...

                      Fire

                      FIREHOUSE MUSEUM  OLD FIRE STATION NUMBER SIX FROM 1915 TO 1970, SAN DIEGO FIRE DEPARTMENT'S ORIGINAL FIRE STATION 6 PROUDLY SERVED THE COMMUNITY OF LITTLE ITALY. IN THE WORKSHOP ON THIS SITE SOME...

                      FIREHOUSE MUSEUM  OLD FIRE STATION NUMBER SIX FROM 1915 TO 1970, SAN DIEGO FIRE DEPARTMENT'S ORIGINAL FIRE STATION 6 PROUDLY SERVED THE COMMUNITY OF LITTLE ITALY. IN THE WORKSHOP ON THIS SITE SOME...

                        Nashua Street Park

                        Nashua Street Park September 17, 2004 Built by the Central Artery/Tunnel Project for all of the Citizens of the Commonwealth of Massachusetts under the stewardship of the Department of...

                        Nashua Street Park September 17, 2004 Built by the Central Artery/Tunnel Project for all of the Citizens of the Commonwealth of Massachusetts under the stewardship of the Department...

                          Federal Office Building, Boston

                          United States Of America Ronald Reagan, President General Services Administration Terence C. Golden Administrator 1985

                          United States Of America Ronald Reagan, President General Services Administration Terence C. Golden Administrator 1985