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

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.

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.

    Submitted by @bthubbard.

      Yorkville Town Hall

      Submitted by @heritagetoronto.

      Submitted by @heritagetoronto.

        Old Burying Ground, Halifax

        Submitted by @bthubbard.

        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 UNSELFISH...

          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...

            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.

              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.

                South Humber Park Pavilion

                Submitted by @heritagetoronto.

                Submitted by @heritagetoronto.

                  John Batman

                  Submitted by @HelenZaltzman

                  Submitted by @HelenZaltzman

                    Jenny Geddes

                    In 1637, Edinburgh street-seller Jenny Geddes threw her stool at the Dean of\xc2\xa0St Giles' Cathedral in protest at the use of a new prayer book, sparking a riot which led to the Wars of the...

                    In 1637, Edinburgh street-seller Jenny Geddes threw her stool at the Dean of\xc2\xa0St Giles' Cathedral in protest at the use of a new prayer book, sparking a riot which led to the Wars of...

                      This Bomb

                      Submitted by Elliott R. Plack, CC0, via Wikimedia Commons

                      Submitted by Elliott R. Plack, CC0, via Wikimedia Commons

                        Site of the United States Olympic Track and Field Trials

                        CALIFORNIA STATE UNIVERSITY SACRAMENTO Site of the United States Olympic Track and Field Trials July 14 - 23, 2000

                        CALIFORNIA STATE UNIVERSITY SACRAMENTO Site of the United States Olympic Track and Field Trials July 14 - 23, 2000

                          1995 Russell Hill Subway Accident

                          Toronto Transit Commission DEDICATED TO OUR PASSENGER KINGA SZABO HUI XIAN LIN CHRISTINA MUNAR REYES WHO LOST THEIR LIVES FRIDAY AUGUST 11, 1995 AT THIS LOCATION IN TORONTO'S WORST SUBWAY ACCIDENT...

                          Toronto Transit Commission DEDICATED TO OUR PASSENGER KINGA SZABO HUI XIAN LIN CHRISTINA MUNAR REYES WHO LOST THEIR LIVES FRIDAY AUGUST 11, 1995 AT THIS LOCATION IN TORONTO'S WORST SUBWAY ACCIDENT...

                            River Bench

                            Submitted by quincetessence

                            Submitted by quincetessence

                              FDR Visits Port Angeles

                              Submitted by @Ritterton

                              Submitted by @Ritterton

                              • port angeles

                              First Known Human Presence 696 BCE

                              Submitted by @Ritterton

                              Submitted by @Ritterton

                              • port angeles

                              Port Angeles Incorported

                              Submitted by @Ritterton

                              Submitted by @Ritterton

                              • port angeles

                              First European Explorers

                              Submitted by @Ritterton

                              Submitted by @Ritterton

                              • port angeles

                              Second National City

                              Submitted by @Ritterton

                              Submitted by @Ritterton

                              • port angeles
                              • lincoln
                              • second national city

                              Point No Point Treaty

                              Submitted by @Ritterton

                              Submitted by @Ritterton

                              • port angeles