A gigantic map of all the cool plaques in the world. A project of 99% Invisible.
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The most recent plaques:

Site of Napoleon Bonaparte Byrne House

CITY OF BERKELEY LANDMARK designated in 1976 SITE OF NAPOLEON BONAPARTE BYRNE HOUSE 1868 In 1858, prosperous farmer Napoleon Byrne sold his Missouri land and journeyed west with his wife Mary...

CITY OF BERKELEY LANDMARK designated in 1976 SITE OF NAPOLEON BONAPARTE BYRNE HOUSE 1868 In 1858, prosperous farmer Napoleon Byrne sold his Missouri land and journeyed west with his wife Mary...

    Texas Dental Association

    This professional association traces its history to 1869, when a group of dentists met in Houston and drafted a constitution and by-laws. Dr. Menard Michau of Houston was elected first president...

    This professional association traces its history to 1869, when a group of dentists met in Houston and drafted a constitution and by-laws. Dr. Menard Michau of Houston was elected first president...

    • dental
    • 1869

    Cowles Mountain

    Cowles Mountain Elevation 1,591 Feet Above Sea Level Mission Trails Regional Park Cowles Mountain is the dominant feature of Mission Trails Regional Park and the highest point in the City of San...

    Cowles Mountain Elevation 1,591 Feet Above Sea Level Mission Trails Regional Park Cowles Mountain is the dominant feature of Mission Trails Regional Park and the highest point in the City of...

      John B. Allen School

      • seattle
      • school
      • 1904

      Tony Bennett

      Site of the original performance of "I Left My Heart in San Francisco".

      Site of the original performance of "I Left My Heart in San Francisco".

        Idlewild / Idlewild

        Prior to 1964, segregationist policies limited African Americans’ options for where to spend vacation time. In 1915 white developers, Adelbert and Erastus Branch of White Cloud and Wilbur Lemon...

        Prior to 1964, segregationist policies limited African Americans’ options for where to spend vacation time. In 1915 white developers, Adelbert and Erastus Branch of White Cloud and Wilbur...

        • michigan
        • michigan his...

        Stonecrest

        This land served as the local schoolhouse site from 1836 to 1895. The original schoolhouse situated here was built of hewn logs and oak shakes. Stonecrest was constructed as a one-room schoolhouse...

        This land served as the local schoolhouse site from 1836 to 1895. The original schoolhouse situated here was built of hewn logs and oak shakes. Stonecrest was constructed as a one-room schoolhouse...

        • michigan
        • michigan his...

        Michigan's Interurbans

        Michigan’s first interurban, the Ypsilanti and Ann Arbor, began operating in 1890. Pulled by a steam engine, the cars went west on Packard Road to the Ann Arbor city limits. Because of the low...

        Michigan’s first interurban, the Ypsilanti and Ann Arbor, began operating in 1890. Pulled by a steam engine, the cars went west on Packard Road to the Ann Arbor city limits. Because of the low...

        • michigan
        • michigan his...

        Methodist Episcopal Church of Twin Lake

        In 1883 the Methodist Episcopal Church of Twin Lake Village purchased the land on which this church was built from parishioner Archibald Buell for $35.00. In the next two years members donated...

        In 1883 the Methodist Episcopal Church of Twin Lake Village purchased the land on which this church was built from parishioner Archibald Buell for $35.00. In the next two years members...

        • michigan
        • michigan his...

        Indian Mission, The

        Here, on July 1, 1845, three Lutheran missionaries, Reverend Johann J. F. Auch, Reverend J. Simon Dumser, and Reverend George Sinke, arrived. The Lutheran leader, Reverend Friedrich Schmid, sent...

        Here, on July 1, 1845, three Lutheran missionaries, Reverend Johann J. F. Auch, Reverend J. Simon Dumser, and Reverend George Sinke, arrived. The Lutheran leader, Reverend Friedrich Schmid, sent...

        • michigan
        • michigan his...

        Singapore, Michigan

        Beneath the sands near the mouth of the Kalamazoo River lies the site of Singapore, one of Michigan’s most famous ghost towns. Founded in the 1830s by New York land speculators, who hoped it would...

        Beneath the sands near the mouth of the Kalamazoo River lies the site of Singapore, one of Michigan’s most famous ghost towns. Founded in the 1830s by New York land speculators, who hoped it would...

        • michigan
        • michigan his...

        Gerald R. Ford Boyhood Home / President Gerald R. Ford

        Gerald R. Ford, the thirty-eighth president of the U.S., lived here from age eight to seventeen (1921-1930). Of all his boyhood homes, Ford remembered this one most vividly. In his autobiography,...

        Gerald R. Ford, the thirty-eighth president of the U.S., lived here from age eight to seventeen (1921-1930). Of all his boyhood homes, Ford remembered this one most vividly. In his autobiography,...

        • michigan
        • michigan his...

        Michigan National Guard Armory / 119th Field Artillery

        Built in 1924, the Lansing Armory is one of five Michigan National Guard Armories designed by state architect Lynn W. Fry. The front block contained military offices; the large hall in the rear...

        Built in 1924, the Lansing Armory is one of five Michigan National Guard Armories designed by state architect Lynn W. Fry. The front block contained military offices; the large hall in the rear...

        • michigan
        • michigan his...

        Big Rock

        Natural features have often played a role in the naming of communities. One such settlement was Big Rock. Named after a massive boulder, this hamlet was located at the crossroads of present-day...

        Natural features have often played a role in the naming of communities. One such settlement was Big Rock. Named after a massive boulder, this hamlet was located at the crossroads of present-day...

        • michigan
        • michigan his...

        Israelite House of David / Mary's City of David

        Based on the teachings of the Christian Israelite tradition begun by Joanna Southcott in England in 1792, Benjamin and Mary Purnell founded the House of David communal religious community in...

        Based on the teachings of the Christian Israelite tradition begun by Joanna Southcott in England in 1792, Benjamin and Mary Purnell founded the House of David communal religious community in...

        • michigan
        • michigan his...

        Michigan Becomes a State

        On this site in 1836, delegates from all parts of Michigan met in Washtenaw County’s first courthouse to consider a proposal by Congress for settling the boundary dispute between Michigan and...

        On this site in 1836, delegates from all parts of Michigan met in Washtenaw County’s first courthouse to consider a proposal by Congress for settling the boundary dispute between Michigan...

        • michigan
        • michigan his...

        Fort Brady

        On July 6, 1822, a battalion of American troops under Colonel Hugh Brady reached the Sault, thereby reconfirming the assertion of American authority over this region made by Lewis Cass in 1820....

        On July 6, 1822, a battalion of American troops under Colonel Hugh Brady reached the Sault, thereby reconfirming the assertion of American authority over this region made by Lewis Cass in 1820....

        • michigan
        • michigan his...

        Bishop Baraga's First Church

        Near this site, on May 15, 1832, the Right Reverend Frederic Baraga, then a young Catholic missionary to the Indians, established and blessed his first church. A small building of logs and bark,...

        Near this site, on May 15, 1832, the Right Reverend Frederic Baraga, then a young Catholic missionary to the Indians, established and blessed his first church. A small building of logs and bark,...

        • michigan
        • michigan his...

        Michelson Memorial Methodist Episcopal Church

        In 1882, residents of Grayling built the town’s first church for the Methodist Episcopal congregation that had organized in 1879. In 1918, local lumberman Nels Michelson donated funds to erect a...

        In 1882, residents of Grayling built the town’s first church for the Methodist Episcopal congregation that had organized in 1879. In 1918, local lumberman Nels Michelson donated funds to erect a...

        • michigan
        • michigan his...

        St. Clair River

        Linking the Upper and Lower Great Lakes, this river has become one of the world’s great marine highways. In the 1700s canoes passed by here with furs destined to adorn Europe’s royalty. Ships...

        Linking the Upper and Lower Great Lakes, this river has become one of the world’s great marine highways. In the 1700s canoes passed by here with furs destined to adorn Europe’s royalty....

        • michigan
        • michigan his...