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

Pine to Palm Highway, New Orleans

See here for the northern end of this highway. Submitted by @brent_bellamy

See here for the northern end of this highway. Submitted by @brent_bellamy

    Carted and Mounted on this Wagon

    THIS LOG WAS CARTED AND MOUNTED ON THIS WAGON BY WALTER MARWEN BROOKS AND HIS MATES ON SEPTEMBER 4 1968 HE DIED AS THE RESULT OF AN ACCIDENT 1930-1968 Submitted by @priyabgandhi

    THIS LOG WAS CARTED AND MOUNTED ON THIS WAGON BY WALTER MARWEN BROOKS AND HIS MATES ON SEPTEMBER 4 1968 HE DIED AS THE RESULT OF AN ACCIDENT 1930-1968 Submitted by @priyabgandhi

      Honorable Phra Ajarn Sombar Yanavarn

      Founder of Buddhist Temple of Chino Hills Submitted by @Ritterton

      Founder of Buddhist Temple of Chino Hills Submitted by @Ritterton

        BIRTHPLACE OF MODERN ELECTRICITY

        NEW YORK BIRTHPLACE OF MODERN ELECTRICITY HERE DISCOVERING MAGNETIC INDUCTION, JOSEPH HENRY PIONEERED THE TELEGRAPH AND ELECTRIC MOTOR, 1829-31

        NEW YORK BIRTHPLACE OF MODERN ELECTRICITY HERE DISCOVERING MAGNETIC INDUCTION, JOSEPH HENRY PIONEERED THE TELEGRAPH AND ELECTRIC MOTOR, 1829-31

          John Herbert Chapman

          JOHN HERBERT CHAPMAN John Herbert Chapman (1921-1979) was born in London and educated at The University of Western Ontario, receiving a BSc (Honors) degree in 1948. After completing a PhD in...

          JOHN HERBERT CHAPMAN John Herbert Chapman (1921-1979) was born in London and educated at The University of Western Ontario, receiving a BSc (Honors) degree in 1948. After completing a PhD...

            The Black Snake Affair

            THE BLACK SNAKE AFFAIR In 1808. the Federal goverament. reacting to unfair British policies, passed an Embargo Act. forbidding trade with Great Britain. The Champlain Valley relied on trade with...

            THE BLACK SNAKE AFFAIR In 1808. the Federal goverament. reacting to unfair British policies, passed an Embargo Act. forbidding trade with Great Britain. The Champlain Valley relied on trade...

              EarthScope Plate Boundary Observation Station

              Submitted by @zxqwd

              Submitted by @zxqwd

                Captain Jock Porteous

                At this place on the night of September 7th 1736 Cpt. Jock Porteous of the Edinburgh City Guard was brutally lynched from a dyers pole by an Edinburgh Mob Erected by the Porteous Associates 7th...

                At this place on the night of September 7th 1736 Cpt. Jock Porteous of the Edinburgh City Guard was brutally lynched from a dyers pole by an Edinburgh Mob Erected by the Porteous Associates...

                  The Franklin Institute

                  Submitted by cruicej

                  Submitted by cruicej

                    Regional Districts BC

                    Submitted by @robertdall

                    Submitted by @robertdall

                      Shire of Flinders Electric Ball

                      SHIRE OF FLINDERS ELECTRIC BALL THIS SPHERE WAS PART OF A DEVICE DESIGNED BY A MR ROBILLIARD IN 1909, WITH A VIEW TO HARNESSING THE SEA TO PROVIDE ELECTRICITY FOR SORRENTO TOWNSHIP THE SPHERE WAS...

                      SHIRE OF FLINDERS ELECTRIC BALL THIS SPHERE WAS PART OF A DEVICE DESIGNED BY A MR ROBILLIARD IN 1909, WITH A VIEW TO HARNESSING THE SEA TO PROVIDE ELECTRICITY FOR SORRENTO TOWNSHIP THE SPHERE...

                      • although at ...
                      • electric ball
                      • severe wave action

                      Perronkap Utrecht Centraal

                      The plaque tells the story of the old railway station roof. In Dutch: perronkap. The iron roof was constructed in 1895. In 1968, when the station (Utrecht central station) was replaced by a new...

                      The plaque tells the story of the old railway station roof. In Dutch: perronkap. The iron roof was constructed in 1895. In 1968, when the station (Utrecht central station) was replaced by a...

                      • historic rai...
                      • iron construction

                      Stephen Henshaw

                      IN MEMORY OF STEPHEN HENSHAW BUCKINGHAMSHIRE BATTALLION OX BUCKS LIGHT INFANTRY WHO WAS WOUNDED IN BATTLE LANGEMARK AUGUST 16" 1917. HE LAY WOUNDED ON THESE FIELD FOR SIX DAYS. HE WAS FOUND ON...

                      IN MEMORY OF STEPHEN HENSHAW BUCKINGHAMSHIRE BATTALLION OX BUCKS LIGHT INFANTRY WHO WAS WOUNDED IN BATTLE LANGEMARK AUGUST 16" 1917. HE LAY WOUNDED ON THESE FIELD FOR SIX DAYS. HE WAS FOUND ON...

                        State of Washington John L. O'Brien Building

                        Submitted by @Ritterton

                        Submitted by @Ritterton

                          Great 1909 Auto Race

                          GREAT 1909 AUTO RACE From this point in front of The Tampa Daily Times Building on Nov. 23, 1909, was started the Tampa - to - Jacksonville "endurance run" to promote good roads for Florida....

                          GREAT 1909 AUTO RACE From this point in front of The Tampa Daily Times Building on Nov. 23, 1909, was started the Tampa - to - Jacksonville "endurance run" to promote good roads for...

                            In This House Jane Austen Lived Her Last Days And Died 18th July 1817

                            Submitted by @theoldstationuk

                            Submitted by @theoldstationuk

                              Transportation Encouraged Development

                                Dr. Lawrence F. Flick

                                DR. LAWRENCE F FLICK Pioneer in antituberculosis campaign and among first to recognize this disease was communicable. Organized first American tuberculosis society 1892. Founded White Haven...

                                DR. LAWRENCE F FLICK Pioneer in antituberculosis campaign and among first to recognize this disease was communicable. Organized first American tuberculosis society 1892. Founded White...

                                  The First Telegraph Office in the Southern Hemisphere

                                  Submitted by @_marty_k

                                  Submitted by @_marty_k

                                    Hess v. Indiana

                                    Hess v. Indiana An Indiana University student protest led to a landmark First Amendment case. In response to the National Guard's killing of four students demonstrating against the Vietnam War at...

                                    Hess v. Indiana An Indiana University student protest led to a landmark First Amendment case. In response to the National Guard's killing of four students demonstrating against the Vietnam War...