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

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...

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 11,...

    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 11,...

    • 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...

    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...

    • geology
    • adams morgan
    • washington dc
    • walter pierce park

    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 became...

    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 the...

      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...

      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...

      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...

      • 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...

      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,...

      • 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...

      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...

      • 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...

      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...

      • philadelphia
      • architecture

      Sir Christopher Wren

      Submitted by @simontillo

      Submitted by @simontillo

      • 1502
      • st. paul's cathedral
      • catherine of aragon

      AIDS Library of Philadelphia

      Submitted by Eli Anders (@elioanders) 

      Submitted by Eli Anders (@elioanders) 

      • aids
      • lgbtq
      • philadelphia

      East Boston Greenway

      Submitted by @Ritterton

      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

        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,...

        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...

          Fenway Park

          Submitted by @Ritterton

          Submitted by @Ritterton

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

            Submitted by @Ritterton

            Submitted by @Ritterton

              George Lincoln Richardson

              Submitted by @Ritterton

              Submitted by @Ritterton

              • verdun
              • machine gun
              • wwi
              • infantry
              • richardson

              Bristol Stock Exchange

              THIS TABLET WAS PLACED HERE BY THE  MEMBERS OF THE BRISTOL STOCK EXCHANGE  TO RECORD  THE GIFT OF THIS BUILDING  TO THE EXCHANGE  BY THEIR PRESIDENT  GEORGE WHITE  AUGUST 1903  Submitted by @theuncommon

              THIS TABLET WAS PLACED HERE BY THE  MEMBERS OF THE BRISTOL STOCK EXCHANGE  TO RECORD  THE GIFT OF THIS BUILDING  TO THE EXCHANGE  BY THEIR PRESIDENT  GEORGE WHITE  AUGUST 1903  Submitted by @theuncommon

                The Beginning of the Grand Army of the Republic

                Submitted by @Ritterton

                Submitted by @Ritterton