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

Safety Follows Wisdom

Portland Cement Association Safety Trophy awarded to Consolidated Cement Corporation Cement City Plant, for a perfect safety record in 1937.

Portland Cement Association Safety Trophy awarded to Consolidated Cement Corporation Cement City Plant, for a perfect safety record in 1937.

  • 1949
  • 1957
  • 1961

David and Ruth Adeny

    Sir Francis Drake -- Looking Beyond the Horizon

      Golden Gate Ferry

        Dr. Huey P. Newton

          Moving the World's Cargo

          • containers

          The Golden Hind

            Charles A. Ellis

            • golden gate bri...

            Rengstorff House

            The Spirit of the Times   Wild Marshes, Handy Scows & Mr. Henry Rengstorff   The Wild Marshes of Mountain View   When Captain Rivera first looked upon San Francisco Bay in 1769, he saw great expanses ...

            The Spirit of the Times   Wild Marshes, Handy Scows & Mr. Henry Rengstorff   The Wild Marshes of Mountain View   When Captain Rivera first looked upon San Francisco Bay in 1769, he saw great expanses ...

              The Golden Gate Bridge: Vision, Genius, and Expert Care

                Skate Bench

                THE STORY OF THE SKATE BENCHON FEBRUARY 15, 1961 ALL OF THE U.S. WORLD FIGURESKATING TEAM LOST THEIR LIVES IN AN AIRPLANE CRASHIN BRUSSELS, BELGIUM. THEY WERE ON THEIR WAY TOTHE 1961 WORLD FIGURE ...

                THE STORY OF THE SKATE BENCHON FEBRUARY 15, 1961 ALL OF THE U.S. WORLD FIGURESKATING TEAM LOST THEIR LIVES IN AN AIRPLANE CRASHIN BRUSSELS, BELGIUM. THEY WERE ON THEIR WAY TOTHE 1961 WORLD FIGURE ...

                • ice skating
                • figure skating
                • colorado spring...
                • broadmoor
                • olympics
                • airplane crash
                • 1960s

                The Barnes Dance diagonal street crossing

                Sidewalk plaque marking the creation by traffic engineer Henry Barnes of the first traffic lights that included a pedestrian “Walk” signal. The arrangement triggered diagonal crossings that conjured ...

                Sidewalk plaque marking the creation by traffic engineer Henry Barnes of the first traffic lights that included a pedestrian “Walk” signal. The arrangement triggered diagonal crossings that conjured ...

                • traffic
                • denver
                • colorado
                • downtown
                • automobile
                • walking
                • 1950s
                • pedestrian

                Civil Engineering Monument of the Millennium Golden Gate Bridge

                  The PG&E Tower

                  THIS TOWER HAS BEEN NAMED FOR PACIFIC GAS AND ELECTRIC COMPANY IN APPRECIATION OF ITS GIFT OF LIGHT TO THE GOLDEN GATE BRIDGE. PG&E MADE THE LARGEST SINGLE PRIVATE CONTRIBUTION TOWARD THE PERMANENT ...

                  THIS TOWER HAS BEEN NAMED FOR PACIFIC GAS AND ELECTRIC COMPANY IN APPRECIATION OF ITS GIFT OF LIGHT TO THE GOLDEN GATE BRIDGE. PG&E MADE THE LARGEST SINGLE PRIVATE CONTRIBUTION TOWARD THE PERMANENT ...

                    The Lone Sailor

                      The Glorious Golden Gate

                      • borelllo

                      Batman's Hill Datum

                      BATMAN'S HILL DATUM Point of Origin for the Survey of Melbourne Robert Hoddle was Surveyor in Charge of the Port Phillip District in early 1837. Hoddle is remembered for his significant role in ...

                      BATMAN'S HILL DATUM Point of Origin for the Survey of Melbourne Robert Hoddle was Surveyor in Charge of the Port Phillip District in early 1837. Hoddle is remembered for his significant role in ...

                      • batman

                      H. Dana Bowers Memorial Vista Point

                        Master Sgt. Roddie Edmonds

                        The Jewish soldiers survived. More than 200 of the 1,275 Americans. Their Master Sergeant survived. For the rest of his life, he never talked about the moment he stared calmly into the face of evil. ...

                        The Jewish soldiers survived. More than 200 of the 1,275 Americans. Their Master Sergeant survived. For the rest of his life, he never talked about the moment he stared calmly into the face of ...

                          Marina Air Field

                            Gauri Govil

                            IN MEMORY OF GAURI GOVIL DEC 9, 1995- DEC 21, 1997

                            IN MEMORY OF GAURI GOVIL DEC 9, 1995- DEC 21, 1997

                              Ina Donna Coolbrith Path

                              BERKELEY HISTORY INA DONNA COOLBRITH 1841-1928 Ina Donna Coolbrith, California's first poet laureate and the nation's first state laureate, was considered

                              BERKELEY HISTORY INA DONNA COOLBRITH 1841-1928 Ina Donna Coolbrith, California's first poet laureate and the nation's first state laureate, was considered "the pearl of all her tribe" by her 19th ...

                                Diamond Peak Ski Resort Lodge

                                  Dr. Richard Tittle

                                    Market Square Main Gate Fountain Plaque

                                    • market square
                                    • victoria
                                    • bc
                                    • british columbi...
                                    • market
                                    • square
                                    • victoria bc
                                    • canada
                                    • water fountain
                                    • fountain