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

Charter Oak, Orange Connecticut

[Location approximate] Submitted by @Todd_A_Richard

[Location approximate] Submitted by @Todd_A_Richard

    The Japanese Community

      The Chestnut Avenue was give by friends in 1979 of Mark Dent-Brocklehurst 1932-1972

      Submitted by @caddickbrown

      Submitted by @caddickbrown

        Demonstration of the First Working Integrated Circuit

        DEMONSTRATION OF THE FIRST WORKING INTEGRATED CIRCUIT THE TWENTIETH - CENTURY AGE OF ELECTRONICS CAN TRACE ITS ROOTS TO THE 1906 INVENTION OF THE TRIODE VACUUM TUBE, WHICH MARKED THE BIRTH OF...

        DEMONSTRATION OF THE FIRST WORKING INTEGRATED CIRCUIT THE TWENTIETH - CENTURY AGE OF ELECTRONICS CAN TRACE ITS ROOTS TO THE 1906 INVENTION OF THE TRIODE VACUUM TUBE, WHICH MARKED THE BIRTH...

          In Memory of Ann Davis

          Submitted by @prateekbuch

          Submitted by @prateekbuch

            C. B. "Bill" Miller Bridge

            Submitted by @SpencerWeather

            Submitted by @SpencerWeather

              The Saloon, San Francisco

              Submitted by _gb_br

              Submitted by _gb_br

              • 1858
              • fruit store

              Most Patriotic Village

              MOST PATRIOTIC VILLAGE ON JUNE 6, 1944, WHICH WAS D-DAY IN EUROPE, THE VILLAGE OF ARTHUR WITH A POPULATION OF 836, HAD 116 SONS AND DAUGHTERS IN THE CANADIAN ARMED FORCES, MANY OF WHOM WERE...

              MOST PATRIOTIC VILLAGE ON JUNE 6, 1944, WHICH WAS D-DAY IN EUROPE, THE VILLAGE OF ARTHUR WITH A POPULATION OF 836, HAD 116 SONS AND DAUGHTERS IN THE CANADIAN ARMED FORCES, MANY OF WHOM...

              • arthur
              • ontario
              • patriotic
              • enlistment
              • wwii

              Site of Launching of World's First Liquid Propellant Rocket By Dr Robert H. Goddard 16 March 1926

              Submitted by @RNewengland

              Submitted by @RNewengland

                Bloody Monday

                In the spring of 1963 local African American ministers and other leaders organized the Danville Movement to combat widespread racial segregation and discrimination. On 10 June, two demonstrations...

                In the spring of 1963 local African American ministers and other leaders organized the Danville Movement to combat widespread racial segregation and discrimination. On 10 June, two...

                  New York City AIDS Memorial

                  Submitted by @Ritterton

                  Submitted by @Ritterton

                    Ford Building

                    Submitted by TopiOtter

                    Submitted by TopiOtter

                      Original Workshop of George Michell

                      THIS BUILDING (C1896) IS THE ORIGINAL WORKSHOP OF GEORGE MICHELL MCE FRS INVENTOR AND PATENTEE OF THE 'MICHELL THRUST BEARING & CRANKLESS ENGINE' [location approximate] Submitted by @_rebeccajackson

                      THIS BUILDING (C1896) IS THE ORIGINAL WORKSHOP OF GEORGE MICHELL MCE FRS INVENTOR AND PATENTEE OF THE 'MICHELL THRUST BEARING & CRANKLESS ENGINE' [location approximate] Submitted by @_rebeccajackson

                      • crankless engine
                      • thrust bearing

                      Peace Memorial Park Hamilton

                      PEACE MEMORIAL PARK Prior to the demolition of Peace Memorial School in 2005, plans were formulated to create a neighbourhood park on this site. This memorial arch relates to the ancient Romans,...

                      PEACE MEMORIAL PARK Prior to the demolition of Peace Memorial School in 2005, plans were formulated to create a neighbourhood park on this site. This memorial arch relates to the ancient Romans,...

                      • education
                      • school
                      • arch
                      • peace
                      • memorial
                      • park
                      • military

                      Gene Tunney Park

                      Submitted by @barnhq

                      Submitted by @barnhq

                        Joseph Bloor

                        Submitted by @Liza_Poulos

                        Submitted by @Liza_Poulos

                          STOOM DIAMANTSLIJPERLI

                          DE EERSTE STEEN DEZER STOOM DIAMANTSLIJPERIJ IS GELEGD DOOR DEN HEER H. J. BOAS 2 AUGUSTUS 1878

                          DE EERSTE STEEN DEZER STOOM DIAMANTSLIJPERIJ IS GELEGD DOOR DEN HEER H. J. BOAS 2 AUGUSTUS 1878

                            Colorado Avenue Viaduct

                            Submitted by @Ritterton

                            Submitted by @Ritterton

                              Clara's Climb

                              CLARA'S CLIMBWinnipeg-born cyclist and speed skater Clara Hughes passed this lookout hundreds of times as she trained to become Canada's most accomplished Olympian. In 1991, at age 19, Hughes...

                              CLARA'S CLIMBWinnipeg-born cyclist and speed skater Clara Hughes passed this lookout hundreds of times as she trained to become Canada's most accomplished Olympian. In 1991, at age 19,...

                              • clara hughes
                              • olympics
                              • sports
                              • olympian
                              • cycling
                              • speed skating
                              • athlete
                              • athletics

                              Peace Memorial School

                              PEACE MEMORIAL SCHOOL 1919-2003 Peace Memorial School was built in 1919 on donated land in the former Township of Barton, County of Wentworth. This school was named as a tribute to those who died...

                              PEACE MEMORIAL SCHOOL 1919-2003 Peace Memorial School was built in 1919 on donated land in the former Township of Barton, County of Wentworth. This school was named as a tribute to those who died...

                              • education
                              • peace
                              • memorial
                              • school