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

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

                              Bergen Street Subway Station

                              Built 1933Reconstructed 1992 by employees of the New York City Transit Authority.Alan F. Kiepper, PresidentNew York City Transit AuthoritySubmitted by @lampbane

                              Built 1933Reconstructed 1992 by employees of the New York City Transit Authority.Alan F. Kiepper, PresidentNew York City Transit AuthoritySubmitted by @lampbane

                              • brooklyn
                              • cobble hill
                              • subway
                              • mta
                              • 1933
                              • 1992