A gigantic map of all the cool plaques in the world. A project of 99% Invisible. Logo by Chop Shop

Prince Whipple and Windsor Moffatt

    Odiorne’s Point

    ODIORNE'S POINT  Here, in the spring of 1623, was established New Hampshire's first  settlement, Pannaway Plantation.  David Thompson and other hardy  fishermen came from England to  colonize and ...

    • flake hill
    • first white chi...
    • drying fish

    South Station Boston

    Submitted by @beckerben

      The Holland Society

      Submitted by @beckerben

        Bayard Rustin

          Site of the Old Carroll Hall

          Site of the Old Carroll Hall 1865-1904 1-The original Carroll Hall 2-In it was started St. John’s College – 1866 3-In it was started Sisters of the Poor – 1871 4-In it was started the Tabernacle ...

            Eleftherios Venizelos

            Eleftherios Venizelos 1864-1936 Liberal Politician, Statesman, Social Reformer One of the most prominent Greek and European Leaders of the 20th Century He marked the modernization of Greece with his ...

              The Daguerre Monument

              The Daguerre Monument This monument pays tribute to French artist and inventor Louis-Jacques-Mandé- Daguerre (1787-1851), who revolutionized picture- making in 1839 by introducing the first ...

                Northern Baptist Convention

                n this building on May 16-17, 1907 The Northern Baptist Convention was formed and the Hon. Charles Evans Hughes elected its first president.    From Wikipedia: Charles Evans Hughes Sr. (April ...

                • church

                Overthrust Fault

                Overthrust Fault This site is an example of an overthrust fault.   Soil Lower Cetaceous (Potomac) Sands and Gravels Precambrian Schist Normal Position Before Faulting   Soil Schist Thrust Fault Plane ...

                • geology
                • adams morgan
                • washington dc
                • walter pierce p...

                Walter Pierce Park

                Roads to Diversity Adams Morgan Heritage Trail Walter Pierce Park The Rock Creek Valley, once home to Native Americans, had attracted European settlers by 1703. Before John Quincy Adams ...

                  Mathew Carey (1760-1839)

                  An Irish Catholic who emigrated to Philadelphia in 1784, Carey was a prominent printer and publisher and prolific writer. He was an influential political economist and nationalist, promoting ...

                  • philadelphia
                  • irish
                  • immigration
                  • printer

                  Marc Blitzstein (1905-1964)

                  An influential American composer, lyricist, and translator who brought vernacular to musical theater was born here. Works include the ground- breaking The Cradle Will Rock and an adaptation of The ...

                  • music
                  • philadelphia

                  A.M.E. Book Concern

                  Here in 1836 a church related company began printing hymnals, religious materials, and works by Black authors of the period. In 1847 The Christian Recorder was published here. Bishop Benjamin Tucker ...

                  • philadelphia
                  • churches
                  • black history

                  Pennsylvania Hospital

                  This is the first hospital in the U.S. Chartered by Colonial Assembly in 1751 for "relief of the sick poor." Benjamin Franklin and Dr. Thomas Bond were its chief founders. First building, erected in ...

                  • philadelphia
                  • hospital
                  • medicine

                  The German Society of Philadelphia

                  The oldest German American organization in the US was founded Dec. 26, 1764, in Philadelphia to provide legal aid, welfare, and language support to German immigrants. Its library, containing one of ...

                  • immigration
                  • philadelphia
                  • german
                  • library

                  Frank Furness

                  A nationally influential architect, his forceful designs and bold use of industrial materials helped shape American modernism. His works include the Pa. Academy of Fine Arts and U. of Penn Library. ...

                  • philadelphia
                  • architecture

                  Sir Christopher Wren

                  Submitted by @simontillo

                  • 1502
                  • st. paul's cath...
                  • catherine of ar...

                  AIDS Library of Philadelphia

                  Submitted by Eli Anders (@elioanders)

                  • aids
                  • lgbtq
                  • philadelphia

                  East Boston Greenway

                  Submitted by @Ritterton

                    Columbus in Galway

                    ON THESE SHORES  AROUND 1477 THE  GENOESE SAILOR CRISTOFORO  COLOMBO  FOUND SURE SIGNS  OF LAND BEYOND  THE ATLANTIC Submitted by @jackwidely

                    • 1477
                    • columbus
                    • galway

                    This Shore Line of San Francisco

                    THIS SHORE LINE OF SAN FRANCISCO  BAY REACHED A POINT TWENTY-FIVE  FEET NORTHEASTERLY FROM THIS SPOT  AT THE TIME GOLD WAS DISCOVERED  BY JAMES W. MARSHALL AT COLOMA,  CALIFORNIA, JANUARY 24, ...

                      Fenway Park

                      Submitted by @Ritterton

                        To The Men of Trinity Who Gave Their Lives For Freedom and Humanity

                        Submitted by @Ritterton

                          George Lincoln Richardson

                          Submitted by @Ritterton

                          • verdun
                          • machine gun
                          • wwi
                          • infantry
                          • richardson