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

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

                  F. W. Woolworth Building

                  F.W.WOOLWORTH BUILDING BUILT BY THE PRIEBE BROTHERS OF RENTON, THE BUILDING OPENED ITS DOORS MARCH 18, 1954. THIS WAS THE FIRST WOOLWORTH STORE IN THE NORTHWEST DESIGNED TO BE 100% SELF SERVICE...

                  F.W.WOOLWORTH BUILDING BUILT BY THE PRIEBE BROTHERS OF RENTON, THE BUILDING OPENED ITS DOORS MARCH 18, 1954. THIS WAS THE FIRST WOOLWORTH STORE IN THE NORTHWEST DESIGNED TO BE 100% SELF...

                    Weehawken Dueling Grounds

                    Submitted by @Ritterton

                    Submitted by @Ritterton

                      Joseph Bloore, Esq.

                      Submitted by @heritagetoronto

                      Submitted by @heritagetoronto

                        Jordan Berlant

                        In Memory of JORDAN BERLANT Who Found Peace and Communicated With God Here 1970 2002.

                        In Memory of JORDAN BERLANT Who Found Peace and Communicated With God Here 1970 2002.

                          Salt Sands

                          SALT SANDS The resistant Homewood and Conoquenessing sandstones, the "Salt Sands" of the driller, form the canyon walls and Blackwater Falls. These sands produce oil and natural gas in West...

                          SALT SANDS The resistant Homewood and Conoquenessing sandstones, the "Salt Sands" of the driller, form the canyon walls and Blackwater Falls. These sands produce oil and natural gas in West...