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

Sylvia

Sylvia Age: Over 600 years Circumference: 26.3 feet Biggest tree in King County Toppled January 20, 1993 Submitted by @oranv

Sylvia Age: Over 600 years Circumference: 26.3 feet Biggest tree in King County Toppled January 20, 1993 Submitted by @oranv

    Lorenzo L. Langstroth

    LORENZO L. LANGSTROTH (1810 -1895 ) Born here, Langstroth revolutionized the bee- keeping industry with his 1852 patented move- able frame hive and his manual, The Hive and the Honey-Bee. Both...

    LORENZO L. LANGSTROTH (1810 -1895 ) Born here, Langstroth revolutionized the bee- keeping industry with his 1852 patented move- able frame hive and his manual, The Hive and the Honey-Bee. Both...

      Perth Point Zero

      THIS PLAQUE MARKS THE POSITION OF POINT ZERO ADOPTED IN 1925 AS THE ORIGIN OF ALL ROAD DISTANCES IN KILOMETRES WESTERN AUSTRALIA. Submitted by @BenCurranDev

      THIS PLAQUE MARKS THE POSITION OF POINT ZERO ADOPTED IN 1925 AS THE ORIGIN OF ALL ROAD DISTANCES IN KILOMETRES WESTERN AUSTRALIA. Submitted by @BenCurranDev

        Harbor Oaks Historic District

          Kensington Hilltop School

            Guns Into Plowshares

            This GUNS INTO PLOWSHARES Monument Was Erected in 1994 Over the Grave of 21 Guns as Part of Memorial Services for Victims of Guns and Other Violence. Let Us Forever Reject Hate And Violence

            This GUNS INTO PLOWSHARES Monument Was Erected in 1994 Over the Grave of 21 Guns as Part of Memorial Services for Victims of Guns and Other Violence. Let Us Forever Reject Hate And Violence

              The Fin Project

              Submitted by @Adi_O_S

              Submitted by @Adi_O_S

              • nuclear submarines
              • subs
              • plowshares
              • pruning hooks

              Lake Pepin

              LAKE PEPIN This beautiful lake is twenty- two miles long, varies in width from one to two and a half miles, and covers about thirty- eight square miles. It was caused by the delta of the Chippewa...

              LAKE PEPIN This beautiful lake is twenty- two miles long, varies in width from one to two and a half miles, and covers about thirty- eight square miles. It was caused by the delta of the...

                SF Redevelopment Agency, Western Addition Area Two

                "SF Redevelopment Agency, Western Addition Area Two" Submitted by friscolex

                "SF Redevelopment Agency, Western Addition Area Two" Submitted by friscolex

                  Leslie N. Simonsen Memorial Activities Field

                  LESLIE N. SIMONSEN MEMORIAL ACTIVITIES FIELD

                  LESLIE N. SIMONSEN MEMORIAL ACTIVITIES FIELD

                    BRYANT'S GROCERY

                    MISSISSIPPI FREEDOM TRAIL BRYANT'S GROCERY Fourteen-year-old Emmett Till came to this site to buy candy In August 1955. White shopkeeper Carolyn Bryant accused the black youth of flirting with...

                    MISSISSIPPI FREEDOM TRAIL BRYANT'S GROCERY Fourteen-year-old Emmett Till came to this site to buy candy In August 1955. White shopkeeper Carolyn Bryant accused the black youth of flirting...

                      The Price Tower

                      Submitted by @BBQsnob.

                      Submitted by @BBQsnob.

                      • frank lloyd wright

                      York

                      York The first African American to cross North America and reach the Pacific Coast. Born into slavery in the 1770's to the family of William Clark, York became a member of the 1804 Lewis and Clark...

                      York The first African American to cross North America and reach the Pacific Coast. Born into slavery in the 1770's to the family of William Clark, York became a member of the 1804 Lewis and Clark...

                        Mission San Rafael

                          The Body of B. Franklin, Printer

                          The Body of B. Franklin. Printer Like the Cover of an old Book, Its Contents torn out. And Stript of its Lettering & Gilding Lies here. Food for Worms. But the Work shall not be lost. For it will...

                          The Body of B. Franklin. Printer Like the Cover of an old Book, Its Contents torn out. And Stript of its Lettering & Gilding Lies here. Food for Worms. But the Work shall not be lost. For it will...

                            The Ordnance Datum

                            Submitted by benhammersley

                            Submitted by benhammersley

                              Joseph John’s Homestead

                              Joseph Johns was an escaped slave who came to Lebanon County, Pennsylvania, in the mid-1800s and made a living producing charcoal on the slopes of Blue Mountain in what is now Bashore Scout...

                              Joseph Johns was an escaped slave who came to Lebanon County, Pennsylvania, in the mid-1800s and made a living producing charcoal on the slopes of Blue Mountain in what is now Bashore...

                                Saw Mill River Daylighting - Tribute to Yonkers Labor

                                Saw Mill River DaylightingTribute to Yonkers LaborThe numerous saw mills and grist mills for which Mill Street is named allowed Yonkers to grow into a manufacturing powerhouse from the 1600s to...

                                Saw Mill River DaylightingTribute to Yonkers LaborThe numerous saw mills and grist mills for which Mill Street is named allowed Yonkers to grow into a manufacturing powerhouse from the 1600s...

                                • yonkers
                                • saw mill river
                                • elisha graves otis
                                • 1852
                                • 1900
                                • 1922

                                Saw Mill River Daylighting - Where is the Saw Mill River?

                                Saw Mill River Daylighting   Where is the Saw Mill River? Look closely at the map in front of you. It shows the path of the Saw Mill River above ground and below buildings. The map also shows...

                                Saw Mill River Daylighting   Where is the Saw Mill River? Look closely at the map in front of you. It shows the path of the Saw Mill River above ground and below buildings. The map also shows...

                                • yonkers
                                • saw mill river
                                • river
                                • 2012
                                • 1876
                                • 1672
                                • 1867

                                In Remembrance of Dave DeChant

                                In Remembrance of Dave DeChantA Respected Engineer, a Trusted Colleague, and a Generous HumanitarianSubmitted by @lampbane

                                In Remembrance of Dave DeChantA Respected Engineer, a Trusted Colleague, and a Generous HumanitarianSubmitted by @lampbane

                                • brooklyn
                                • greenpoint
                                • newtown creek
                                • dave dechant