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

Elizabeth Cary Agassiz

    Riverway Overpass

    National Industrial Recovery Act of 1934 overpass with names of political leaders and engineers

    National Industrial Recovery Act of 1934 overpass with names of political leaders and engineers

      Black Soldiers of the Continental Army

      REVOLUTIONARY SOLDIERS BLACK SOLDIERS OF THE CONTINENTAL ARMY CATO STEDMAN AND NEPTUNE FROST ARE BURIED IN THIS GROUND 1775

      REVOLUTIONARY SOLDIERS BLACK SOLDIERS OF THE CONTINENTAL ARMY CATO STEDMAN AND NEPTUNE FROST ARE BURIED IN THIS GROUND 1775

        Site of the Birthplace of Charles Bulfinch

          Suffolk Law School

          DEDICATED TO THE SERVICE OF MEN WHO MUST STUDY, IF AT ALL, BY NIGHT

          DEDICATED TO THE SERVICE OF MEN WHO MUST STUDY, IF AT ALL, BY NIGHT

            Tadeusz Kosciuszko 1746 - 1817

            TADEUSZ KOSCIUSZKO 1746 - 1817 I PREFER PEACE MORE THAN THE GREATEST RANK IN THE WORLD Submitted by MrWilsonZ

            TADEUSZ KOSCIUSZKO 1746 - 1817 I PREFER PEACE MORE THAN THE GREATEST RANK IN THE WORLD Submitted by MrWilsonZ

              The Traffic Jam

              The Traffic Jam In 1992 the American artist, Mark Bulwinkle, created the steel sculptures you see here and throughout the parking lots of The East Bay Bridge Shopping Center. To all the children...

              The Traffic Jam In 1992 the American artist, Mark Bulwinkle, created the steel sculptures you see here and throughout the parking lots of The East Bay Bridge Shopping Center. To all the...

                Coeur d' Alene Mining District

                Submitted by @larrycebula.

                Submitted by @larrycebula.

                  Brooklyn Bridge National Historic Civil Engineering Landmark

                    Site of the Bowling Green 1700

                      New Croton Aqueduct

                      • croton

                      Brooklyn Bridge Reconstruction

                        Power System of Boston's Rapid Transit, 1889

                          Boston Common: America's First Subway

                            The Spiders from Mars

                            Submitted by @Bernicessities.

                            Submitted by @Bernicessities.

                            • bowie
                            • ronson
                            • bolder
                            • woody
                            • woodmansey

                            William Dean Howells

                              Brookland Ferry Landing

                                Naval Yard Granite Wall

                                  World's First Successful Long Distance Telephone Call

                                  On this site Alexander Graham Bell, inventor of the telephone, recieved from Brantford, Ontario, on August 10, 1876, the world's first successful long distance telephone call. Erected by the...

                                  On this site Alexander Graham Bell, inventor of the telephone, recieved from Brantford, Ontario, on August 10, 1876, the world's first successful long distance telephone call. Erected by...

                                    Dedicated to the Men of the Boston Naval Shipyard