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

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

                                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