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

Pontiac Peace Treaty

From the Flickr group Historical Markers, photo by HystericalMark, full page.License is Attribution- ShareAlike License

    Alpha House

    Built about 1918, this Neoclassical-style structure houses Gamma Lambda Chapter, third graduate chapter of the first black national Greek letter fraternity in the United States: Alpha Phi Alpha ...

    • michigan
    • michigan histor...

    Winter Quarters Plantation

    Winter Quarters Plantation was owned by Haller Nutt during the Civil War. The plan- tation was used as an overnight stopping point by thousands of Federal troops on their march to Hard Times. The ...

      Washington Elm

      UNDER THIS TREE WASHINGTON FIRST TOOK COMMAND OF THE AMERICAN ARMY JULY 3, 1775   Submitted by @RNewengland

      • under this tree
      • of the
      • 1775
      • washington elm
      • washington

      Flowery Mound

      Flowery Mound is a rectangular platform mound. The corners are oriented to the cardinal directions. Studies of the soil in the mound suggest it was built in a single episode around AD 1000. ...

      • louisiana
      • mound
      • 1000

      Semmes Battery

      Submitted by alwaysreadtheplaque

        Sand Bar Fight

        James Bowie, wounded as a second in Well-Maddox duel and wielding, the awesome blade of his design, killed Norris Wright Sept. 19, 1827. Modified knife later became famous as "The Bowie Knife."

        • louisiana

        Linwood Plantation

        Near this site was the Taensa Village, visited by de LaSalle, Tonti, Father Membre in 1682 explorations. In 1699-1700 Father de Montigny made peace between the Taensa and Natchez and established a ...

        • louisiana
        • native american...

        Mound Plantation

        Mound Plantation has a rectangular-shaped mound with a flat top. It is 10½ feet tall and 125 by 138 feet at the base. Pottery found near the mound suggests Indians built it around AD 800-1000.

        • louisiana
        • native american...

        St. Stephens Episcopal Church and Cemetery

        Began as St. James Mission in 1848. Reorganized as a parish in 1855 named after the first martyr at the suggestion of Bishop Leonidas Polk, the "Fighting Bishop" of the Confederacy. The Church and ...

        • louisiana
        • church

        Former Site of Melancon's Cafe

        Former Site of Melancon's Cafe1968 filming of the movie Easy RiderFeaturing: Peter Fonda, Dennis Hopper and Jack Nicholson.Local stars: Buddy Causey, Jr., Blaze Dawson,Cynthia Grezaffi, P.J. Guedry, ...

        • louisiana

        St. Joseph

        Tensas Parish seat since parish created in 1843. Rare example, for Deep South, of town planned and constructed around New England style village green. Historic district listed on National Register of ...

        • louisiana

        William Simmons House

        WILLIAM SIMMONS HOUSE  This house, built in 1930, is  typical in materials and methods of construction of those built on the  S.C. Sea Islands from the end of the  Civil War to the mid- 20th century  ...

        • 1835
        • 1930
        • civil war
        • hilton head

        Peter Fidler Peace Park

        Submitted by @YuEuG

          Blair Rifle Range: 1927 - 1968

          Blair Rifle Range: 1927 - 1968  In 1934, fearful of growing numbers of homeless men congregating is Vancouver, the federal  government established the Blair Rifle Range  Unemployed Relief ...

          • 1935

          New York's Municipal Slave Market

          NEW YORK'S MUNICIPAL SLAVE MARKET  On Wall Street, between Pearl and Webster Streets, a market  that auctioned enslaved people of African ancestry was established by a Common Council law on ...

          • slavery
          • new york city
          • 1711
          • 1626
          • coromantee
          • pawpaw
          • ghana

          Carrie Hoyt

          • 1941
          • berkeley
          • first woman may...

          Thornhill Cemetery

          THORNHILL CEMETERY  Thornhill cemetery was started in 1867 as a non-denominational burying  ground. A founding meeting was held on Oct. 26, and a nine member  Board of Directors was elected. ...

            The CCC at Palo Duro Canyon State Park

            THE CIVILIAN CONSERVATION CORPS  AT PALO DURO CANYON STATE PARK  THE CIVILIAN CONSERVATION CORPS (CCC) WAS A NEW DEAL  PROGRAM DEVELOPED UNDER THE ADMINISTRATION OF PRESIDENT  FRANKLIN D. ...

              Alberta Temple

              ALBERTA TEMPLE  THE CHURCH OF JESUS CHRIST  OF LATTER-DAY SAINTS  A striking modern building dominating Canada's first Mormon  settlement, the Alberta Temple is an architectural and ...

                Thomas Edison

                While working as a railway newsboy on the Detroit- Port Huron line, Tom Edison often stopped in Mount Clemens. He made friends with station agent J. U. Mackenzie and in 1862 saved Mackenzie’s young ...

                • michigan
                • michigan histor...

                Jackson Square

                From the Flickr group Historical Markers, photo by Jason Riedy, full page.License is Attribution License

                  First International Tunnel

                  At this point the Grand Trunk Western Railroad tunnel, linking Port Huron with Canada, passes underneath Gratiot Avenue. This international submarine railway tunnel—first in the world—was opened in ...

                  • michigan
                  • michigan histor...

                  Morgan Hill

                  WAITING FOR THE TRAIN BY MARLENE AMERIAN UNVEILED AS PART OF CENTENNIAL CELEBRATIONS APRIL 29, 2007   THIS BRONZE SCULPTURE DEPICTS ONE OF MORGAN MILL'S EARLY FOUNDING FAMILIES, HIRAM MORGAN HILL, ...

                    Harold Ross

                    HAROLD ROSS 1892 - 1951 The magazine editor, who said "if you can't be funny, be interesting",lived here when he founded The New Yorker in 1925. At his 1923 "housewarming" were Dorthy Parker, ...