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

Metzenbaum Courthouse

Howard M. Metzenbaum On May 27, 1998 this building was rededicated to honor the achievements of Howard M. Metzenbaum who served this State and our Nation as a member of the Ohio General Assembly...

Howard M. Metzenbaum On May 27, 1998 this building was rededicated to honor the achievements of Howard M. Metzenbaum who served this State and our Nation as a member of the Ohio General...

    First Roadside Park

    In 1918 the Iron County Board of Supervisors approved the recommendation of the road commission, through its engineer-manager, Herbert F. Larson, to purchase this 320-acre tract of roadside virgin...

    In 1918 the Iron County Board of Supervisors approved the recommendation of the road commission, through its engineer-manager, Herbert F. Larson, to purchase this 320-acre tract of roadside virgin...

    • michigan
    • michigan his...

    Monroe Avenue Water Filtration Plant/The Beginning of Water Fluoridation

    During the late nineteenth century, Grand Rapids residents relied on private companies to provide purified drinking water. As the city grew, so did the need for clean water In1900 a city-owned...

    During the late nineteenth century, Grand Rapids residents relied on private companies to provide purified drinking water. As the city grew, so did the need for clean water In1900 a...

    • michigan
    • michigan his...

    Lake Huron

    This, the fifth largest lake in the world, was the first of the Great Lakes seen by white men. By following the Ottawa River route, Samuel de Champlain in 1615 came to the “Freshwater Sea.” It was...

    This, the fifth largest lake in the world, was the first of the Great Lakes seen by white men. By following the Ottawa River route, Samuel de Champlain in 1615 came to the “Freshwater Sea.” It was...

    • michigan
    • michigan his...

    Battlefield of 1814

    Here in this area on August 4, 1814, an American force battled the British in a vain attempt to recapture the island which the British had seized at the outbreak of the War of 1812. Coming ashore...

    Here in this area on August 4, 1814, an American force battled the British in a vain attempt to recapture the island which the British had seized at the outbreak of the War of 1812. Coming...

    • michigan
    • michigan his...

    North East Quay

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

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

      Christmas (Noel) Dagenet

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

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

        Surratt Boarding House

        A HISTORICAL LAND MARK  "SURRATT BOARDING HOUSE"  604 H STREET, N.W. (THEN 541)  IS SAID TO HAVE BEEN WHERE  THE CONSPIRATORS PLOTTED  THE ABDUCTION OF  U.S. PRESIDENT ABRAHAM LINCOLN  IN 1865 ...

        A HISTORICAL LAND MARK  "SURRATT BOARDING HOUSE"  604 H STREET, N.W. (THEN 541)  IS SAID TO HAVE BEEN WHERE  THE CONSPIRATORS PLOTTED  THE ABDUCTION OF  U.S. PRESIDENT ABRAHAM LINCOLN  IN 1865 ...

        • lincoln
        • 1865
        • chi-am

        Dundee Bombed in World War II

        DUNDEE BOMBED IN WORLD WAR II ln the sky over 50th and Underwood, a Japanese balloon bomb exploded on April 18, 1945. The incendiary device flared brightly in the night, but caused no damage. The...

        DUNDEE BOMBED IN WORLD WAR II ln the sky over 50th and Underwood, a Japanese balloon bomb exploded on April 18, 1945. The incendiary device flared brightly in the night, but caused no damage....

        • wwii
        • balloon bomb
        • dundee
        • nebraska

        Eastern State Penitentiary World War I Veterans

        TO THE  EVERLASTING HONOR  OF THOSE INMATES  OF THE EASTERN STATE PENITENTIARY  WHO SERVED IN  THE ARMY AND NAVY DURING THE WORLD WAR  [List of inmate numbers] Note that on this WWI memorial...

        TO THE  EVERLASTING HONOR  OF THOSE INMATES  OF THE EASTERN STATE PENITENTIARY  WHO SERVED IN  THE ARMY AND NAVY DURING THE WORLD WAR  [List of inmate numbers] Note that on this WWI...

          Charlie Bazinet

            Civil War General John T. Wilder

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

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

              North Lake Methodist Church

              The Reverend Charles Glenn organized the first Methodist class here in 1836, and for the next ten years the group met in the home of his brother, John. In 1846 the brothers presented the...

              The Reverend Charles Glenn organized the first Methodist class here in 1836, and for the next ten years the group met in the home of his brother, John. In 1846 the brothers presented...

              • michigan
              • michigan his...

              Argentine Township Cemetery

              In 1838, Halsey Whitehead, a veteran of the War of 1812, buried his two-year-old daughter Rebecca here on land he settled in 1837. He offered burial plots for others until 1843, when he donated...

              In 1838, Halsey Whitehead, a veteran of the War of 1812, buried his two-year-old daughter Rebecca here on land he settled in 1837. He offered burial plots for others until 1843, when he donated...

              • michigan
              • michigan his...

              Central Title Service Building

              On August 6, 1845, the first graduation ceremony for the University of Michigan was held in this building, which was then the First Presbyterian Church. Founded in 1817 in Detroit, the first...

              On August 6, 1845, the first graduation ceremony for the University of Michigan was held in this building, which was then the First Presbyterian Church. Founded in 1817 in Detroit, the...

              • michigan
              • michigan his...

              N. C. School for the Deaf

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

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

                Slovenians, Thomas Jefferson, and the Declaration of Independence

                Slovenians, Thomas Jefferson, and the Declaration of Independence...In his copy of of Bodin's "Republic" Thomas Jefferson had initialed two pages. On one page was Bodin's definition and...

                Slovenians, Thomas Jefferson, and the Declaration of Independence...In his copy of of Bodin's "Republic" Thomas Jefferson had initialed two pages. On one page was Bodin's definition...

                  The First Christmas Tree in America

                  The First Christmas Tree in AmericaPublicly lighted and displayed in a church Christmas service, stood where the Cleveland Public Auditorium now stands, a designated Cleveland landmark.On that...

                  The First Christmas Tree in AmericaPublicly lighted and displayed in a church Christmas service, stood where the Cleveland Public Auditorium now stands, a designated Cleveland landmark.On that...

                    300 Years of German Contributions

                    1683 - 1983To commemorate 300 years of German contributionsOn October 6, 1683, thirteen German families landed in America from Krefeld, Germany, on the ship Concord.  This date is regarded as the...

                    1683 - 1983To commemorate 300 years of German contributionsOn October 6, 1683, thirteen German families landed in America from Krefeld, Germany, on the ship Concord.  This date is regarded as...

                      Veterans Memorial

                      Those here gave all for duty, honor, countryRededicated July 23, 2004, and July 25, 2014.Greater Cleveland Veterans Memorial, Inc.Submitted byBryan Arnold@nanowhiskers

                      Those here gave all for duty, honor, countryRededicated July 23, 2004, and July 25, 2014.Greater Cleveland Veterans Memorial, Inc.Submitted byBryan Arnold@nanowhiskers