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

Denny Creek

DENNY CREEK HERE JOHN C. FREMONT CAMPED ON HIS JOURNEY OF EXPLORATION IN MAY OF 1846 WAS ATTACKED BY INDIANS AND LOST THREE MEN FOR ONE OF WHOM HE NAMED THE STREAM Submitted by @pdxhistorian

DENNY CREEK HERE JOHN C. FREMONT CAMPED ON HIS JOURNEY OF EXPLORATION IN MAY OF 1846 WAS ATTACKED BY INDIANS AND LOST THREE MEN FOR ONE OF WHOM HE NAMED THE STREAM Submitted by @pdxhistorian

    Maple Leaf Forever Park

    Submitted by @heritagetoronto

    Submitted by @heritagetoronto

      ZIJ STREDEN EN VIELEN VOOR DE VRIJHEID

      A moment of silence at March 27, 7:06pm Amsterdam to salute those who in the risked their lives or died to prevent centralized data and identity records from being used against those who are...

      A moment of silence at March 27, 7:06pm Amsterdam to salute those who in the risked their lives or died to prevent centralized data and identity records from being used against those who...

        Baycrest (Jewish Old Folks Home)

        Tweet Submitted by @heritagetoronto

        Tweet Submitted by @heritagetoronto

          Pinau

            Indiana Indigenous Tribes

            Submitted by @kevl42

            Submitted by @kevl42

              First Steam Fog Horn

              FIRST STEAM FOG HORN In 1854, Robert Foulis of St. John, N.B., first advocated the use of a steam horn or whistle to give warning to vessels in foggy weather. An apparatus devised by him was...

              FIRST STEAM FOG HORN In 1854, Robert Foulis of St. John, N.B., first advocated the use of a steam horn or whistle to give warning to vessels in foggy weather. An apparatus devised by him...

                Barbara Rose Johns

                Story of how this plaque was added

                Story of how this plaque was added

                  The Biltmore Sprites

                  Submitted by @jqmcd

                  Submitted by @jqmcd

                    Colonel John B. O'Dowd

                    IN MEMORY OF COLONEL JOHN B. O'DOWD COMMANDER, NEW YORK DISTRICT U.S. ARMY CORPS OF ENGINEERS (2001-2004) WHOSE VISION AND LEADERSHIP WERE INSTRUMENTAL IN RESTORING THIS TIDAL MARSH AUGUST...

                    IN MEMORY OF COLONEL JOHN B. O'DOWD COMMANDER, NEW YORK DISTRICT U.S. ARMY CORPS OF ENGINEERS (2001-2004) WHOSE VISION AND LEADERSHIP WERE INSTRUMENTAL IN RESTORING THIS TIDAL MARSH...

                    • brooklyn
                    • marine park
                    • john o'dowd
                    • us army
                    • 2001
                    • 2004
                    • 2012
                    • salt marsh

                    The Archeology of the Stadt Huys Block

                    The Excavation of the Stadt Huys Block Governor Lovelace's Tavern The Stadt Huys An Eighteenth Century Well Submitted by @lampbane

                    The Excavation of the Stadt Huys Block Governor Lovelace's Tavern The Stadt Huys An Eighteenth Century Well Submitted by @lampbane

                    • new york
                    • manhattan
                    • downtown manhattan
                    • stadt huys

                    Nevil Maskelyne

                    IN THE SUMMER OF 1774 THE REVEREND NEVIL MASKELYNE FRS, ASTRONOMER ROYAL, SET UP OBSERVATORIES ON EITHER SIDE OF SCHIEHALLION TO MEASURE BY HOW MUCH PLUMBLINES WOULD BE PULLED OUT OF THE VERTICAL...

                    IN THE SUMMER OF 1774 THE REVEREND NEVIL MASKELYNE FRS, ASTRONOMER ROYAL, SET UP OBSERVATORIES ON EITHER SIDE OF SCHIEHALLION TO MEASURE BY HOW MUCH PLUMBLINES WOULD BE PULLED OUT OF THE VERTICAL...

                    • dawkins
                    • newton
                    • hutton
                    • gravity
                    • big g

                    9-11-01, Bush Terminal

                    9-11-01 IN DEDICATION TO OUR FIRE DEPARTMENTS FALLEN HEROS - AND - THOSE WHO HAVE SAVED SO MANY LIVES   GOD BLESS YOU ALL   Submitted by @lampbane

                    9-11-01 IN DEDICATION TO OUR FIRE DEPARTMENTS FALLEN HEROS - AND - THOSE WHO HAVE SAVED SO MANY LIVES   GOD BLESS YOU ALL   Submitted by @lampbane

                    • brooklyn
                    • sunset park
                    • bush terminal
                    • 9/11
                    • september 11
                    • fdny
                    • 2001

                    Louis Valentino Pump House

                    PUMP HOUSE DEDICATED IN LOVING MEMORY OF LOUIS VALENTINO BADGE No. 6272 FEB. 26, 1958 FEB. 5, 1996 WHO GAVE HIS LIFE IN THE PERFORMANCE OF HIS DUTY 1996  

                    PUMP HOUSE DEDICATED IN LOVING MEMORY OF LOUIS VALENTINO BADGE No. 6272 FEB. 26, 1958 FEB. 5, 1996 WHO GAVE HIS LIFE IN THE PERFORMANCE OF HIS DUTY 1996

                    • brooklyn
                    • sunset park
                    • bush terminal
                    • louis valentino
                    • 1996

                    The Pilgrims - Hic et Ubique

                    The PilgrimsHic et UbiqueSubmitted by @lampbane

                    The PilgrimsHic et UbiqueSubmitted by @lampbane

                    • new york
                    • manhattan
                    • downtown manhattan
                    • pilgrims

                    Saluttkanoner 1824

                    Submitted by @caddickbrown

                    Submitted by @caddickbrown

                      Fort C. F. Smith

                      Submitted by @stuherrm

                      Submitted by @stuherrm

                        Clallam Bay

                        Submitted by @Ritterton

                        Submitted by @Ritterton

                          JOSEPH FENNO HOUSE/WOMAN'S FRIEND SOCIETY

                          JOSEPH FENNO HOUSE/WOMAN'S FRIEND SOCIETY Built in 1811-1812 as a single family McIntire style brick double house of Federal Period construction for the Joseph Fenno family. In 1822 the northern...

                          JOSEPH FENNO HOUSE/WOMAN'S FRIEND SOCIETY Built in 1811-1812 as a single family McIntire style brick double house of Federal Period construction for the Joseph Fenno family. In 1822 the northern...

                            Leo Fishman, "Duke of Catalina"

                            "HI NAYBOR"DUKE OF CATALINALEO FISHMAN 1906-1977AVALON'S OFFICIAL LIFEGUARD AND GREETERFOR 42 YEARS, OFFICIALLY DESIGNATED"MR. CATALINA" BY THE AVALON CITY COUNCIL

                            "HI NAYBOR"DUKE OF CATALINALEO FISHMAN 1906-1977AVALON'S OFFICIAL LIFEGUARD AND GREETERFOR 42 YEARS, OFFICIALLY DESIGNATED"MR. CATALINA" BY THE AVALON CITY COUNCIL

                            • catalina
                            • leo
                            • fishman
                            • imageryan
                            • naybor