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

The Cape Ray Telegraph Cable

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

    World's Largest Limestone Quarry

    Limestone is a mineral raw material essential in making steel, chemicals, and cement. Henry H. Hindshaw, a geologist, established in 1908-09 the commercial value of this area’s limestone...

    • michigan
    • michigan his...

    River Street

      Gagetown / Gagetown

      Brothers Joseph and James Gage immigrated from Canada in 1860. Joseph filed a homestead claim in Elmwood Township. In 1869, Joseph built a store and mill on his land. Two years later, he...

      • michigan
      • michigan his...

      Indian Landing- Charlton Park

      In the early nineteenth century the Thornapple band of Ottawa Indians established a village a short distance from Thornapple Lake. It was served in the 1840s by a Methodist mission and...

      • michigan
      • michigan his...

      Grant Water Tower

      Among the last of the wooden water towers in Michigan, the Grant Water Tower was built beside the depot in 1891 by the Grand Rapids, Newaygo and Lakeshore Railroad. It cost $1,910 and could...

      • michigan
      • michigan his...

      John C. Blanchard / John and Harriet Blanchard House

      John Celsus Blanchard (1822-1905) epitomizes the American “self-made man.” He left his home in Cayuga County, New York, at age fourteen, bound for the western frontier. Blanchard worked as...

      • michigan
      • michigan his...

      Newburgh Cemetery

      An organization, later known as the Newburgh Cemetery Society, was formed on November 23, 1832, to establish and maintain this cemetery, the first in the present city of Livonia. One grave, that...

      • michigan
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      Bay View Association / Bay View

      Beginning in 1875 as a Methodist camp, the Bay View Association encouraged scientific and intellectual development within a religious community. In 1885 John M. Hall of Flint began the summer...

      • michigan
      • michigan his...

      No Home on the Home Front

      • wwii
      • japanese internment
      • richmond