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

Manly Hydraulics Laboratory

Submitted by @littlebobbyplaqueson

Submitted by @littlebobbyplaqueson

    So-Called Temple of Romulus

    Submitted by JMRobilliard

    Submitted by JMRobilliard

      AL SOTTOTENENTE UGO DELLA MONICA DEL 56° REG. MARCHE

      AL SOTTOTENENTE UGO DELLA MONICA DEL 56° REG. MARCHE, CHE IN DATA 9 SETTEMBRE 1943, ANIMATO DALL’AMOR DI PATRIA, CON ALTO SENSO DEL DOVERE E DELL’ONORE MILITARE SI OPPOSE AL FUOCO TEDESCO,...

      AL SOTTOTENENTE UGO DELLA MONICA DEL 56° REG. MARCHE, CHE IN DATA 9 SETTEMBRE 1943, ANIMATO DALL’AMOR DI PATRIA, CON ALTO SENSO DEL DOVERE E DELL’ONORE MILITARE SI OPPOSE AL FUOCO...

        Detective Martin J. McFadden

        Detective Martin J. McFadden On October 31, 1963, the actions of Cleveland Police Detective Martin J. McFadden led to a new legal standard allowing police officers in the United States to stop and...

        Detective Martin J. McFadden On October 31, 1963, the actions of Cleveland Police Detective Martin J. McFadden led to a new legal standard allowing police officers in the United States to stop...

          Fredericksburg Principal Auction Site in Pre-Civil War Days for Slaves and Property

          Submitted by @Sarah_Stierch

          Submitted by @Sarah_Stierch

            Coquitlam and Buntzen Reservoirs Worker Memorial

            Submitted by @BC_LHC

            Submitted by @BC_LHC

              McAbee Beach

                Camp Pine Knot

                Submitted by MrWilsonZ

                Submitted by MrWilsonZ

                  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