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

Vlad the Impaler

Submitted by @reporterjoe.

    This Playing Field

    THIS PLAYING FIELD WAS DEVELOPED AS A JOINT SCHEME BETWEEN PROSPECT CITY COUNCIL AND THE EDUCATION DEPT OF S.A. FOR THE BENEFIT OF THE SCHOOL AND THE COMMUNITY OF PROSPECT OPENED FOR USE 23RD...

      In Appreciation of Sheila Dinneen Family and Neighbours

      Submitted by @SignsTheReading.

        Early Play-By-Play Radio Broadcast of a College Football Game

        Submitted by @TAMU.

          After Milneford Mills

          Submitted by @heritagetoronto.

            Alex Haley

            Alex Haley (1921-1992) Alexander Murray Palmer Haley lived and maintained a writing studio here. Beginning in 1963 he conducted many in-depth interviews with Malcolm X for his first book,...

              John Ericsson

              Submitted by pdxgrggles

                The Great Telescope

                145 years before ⁦the Hubble,⁩ this was the worlds foremost deep-sky observatory: the ‘Leviathan’ 72” telescope at ⁦ Birr Castle. It held the world record for 72 years.⁩ Submitted by @Shamrocketeer

                  R. C. Harris

                  R. C. Harris (1875-1945) who masterminded much of the city's vital infrastructure, lived at Old City Hall from 1900 to 1909, and worked there from 1900 to 1945. Submitted by @heritagetoronto.

                    The Cliff Walk

                    Submitted by @bthubbard.

                      Yorkville Town Hall

                      Submitted by @heritagetoronto.

                        Old Burying Ground, Halifax

                        Submitted by @bthubbard.

                          TO COMMEMORATE THE HEROISM AND SACRIFICE OF ALL COLORED SOLDIERS

                          TO COMMEMORATE THE HEROISM AND SACRIFICE OF ALL COLORED SOLDIERS WHO SERVED IN THE VARIOUS WARS ENGAGED IN BY THE UNITED STATES OF AMERICA THAT A LASTING RECORD SHALL BE MADE OF THEIR...

                            The Manufacture of Illuminating Gas

                            AAC TO COMMEMORATE THE INAUGURATION OF A CHEMICAL INDUSTRY IN AMERICA THE MANUFACTURE OF ILLUMINATING GAS THE FIRST FRANCHISE IN AMERICA TO PRODUCE AND DISTRIBUTE GAS FOR PUBLIC USE WAS GRANTED IN...

                              Clarence "Hank" Raimondi and John A. Raimondi

                              IN MEMORY OF CLARENCE RAIMONDI "HANK" JOHN A. RAIMONDI WHEN YOU SEE A RAINBOW YOU'LL KNOW WHO'S MIXING THE COLORS. Submitted by @DIYGene.