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

Michigan Central Freighthouse

The Michigan Central Railroad (MCRR) came to Ypsilanti in 1838, transforming the farming community into a transportation center. This Italianate structure, built in 1878, increased ...

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  • michigan histor...

Cannery and Packing House

    Michigan Paper Company Mill

    On January 26, 1886, twenty-five businessmen founded the Michigan Paper Company. Daniel Albertson, a mill designer from Kalamazoo, built the mill complex using slow-burn construction methods. ...

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    • michigan histor...

    St. Joseph's Retreat

    In 1885 Michigan’s first private mental institution was located here under the guidance of the Daughters of Charity of St. Vincent de Paul. In 1855 the Sisters at St. Mary’s Hospital in Detroit had ...

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    • michigan histor...

    Juneteenth

      JUNETEENTH COMMEMORATED ANNUALLY ON JUNE 19TH, JUNETEENTH IS THE OLDEST KNOWN CELEBRATION OF THE END OF SLAVERY IN THE U.S THE EMANCIPATION PROCLAMATION, ISSUED BY PRESIDENT ABRAHAM LINCOLN ON SEP. ...

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    Frederick Pelham: Bridge Engineer

    Frederick Pelham: Bridge Engineer   Frederick Pelham was born on November 7, 1864.  He attended school in Detroit.  In 1887, he became the first African American to receive an Engineering Degree from ...

      La Gota de Leche historical marker

      Mapagkawanggawang proyekto ng La Proteccion de la Infancia na nagbibigay ng gatas sa mga sanggol. Pinasinayaan sa Daang San Pedro, ngayon Daang Evangelista, Quiapo, 1907. Nagpatayo ng bagong gusali ...

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      • encyclopedia of...

      San Pedro Macati historical marker

      Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is CC-BY-SA-4.0.

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      Our Lady of Peace and Good Voyage historical marker

      Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is CC-BY-SA-3.0.

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      Archbishopric of Lipa historical marker

      Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is CC-BY-SA-3.0.

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      • encyclopedia of...

      Dental Profession in the Philippines historical marker

      Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is CC-BY-SA-4.0.

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      The Church of Badoc historical marker

      Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is CC-BY-SA-4.0.

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      The Shrine of Melchora (Tandang Sora) Aquino historical marker

      Dito inilipat ang mga labi ni Melchora Aquino mula sa Himlayang Pilipino bilang paggunita sa ika-200 taong anibersaryo ng kanyang kapanganakan, 6 Enero 2012. Ipinahayag na Pambansang Dambana sa bisa ...

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      The Church of Pakil historical marker

      Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is CC-BY-SA-3.0.

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      • encyclopedia of...

      Rizal’s Execution Site historical marker

      Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is CC-BY-SA-3.0.

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      Church of Loon historical marker

      Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is PD-PhilippinesGov.

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      Church of Taytay historical marker

      Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is CC-BY-SA-3.0.

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      Isabelo F. de los Reyes historical marker

      Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is None.

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      Battle of Malinta historical marker

      Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is PD-PhilippinesGov.

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      The Church of Bulacan historical marker

      Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is CC-BY-SA-4.0.

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      • encyclopedia of...

      Deathplace of Teodora Alonso historical marker

      Sa pook na ito namatay si Teodora Alonso, ina ni Jose Rizal, noong 16 Agosto 1911. Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of ...

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      San Beda College historical marker

      Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is CC-BY-SA-3.0.

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      First Mass in the Barrio of Jesus de la Peña historical marker

      Sa dating kinatatayuan ng isang bodega na kinatitirikan ngayon ng simbahang ito ay ginanap ang unang misa noong Abril 16, 1630, sa kapahintulutan ni Padre Pedro de Arce, Obispo ng Maynila. Ang misa ...

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      Plaza Olivia Salamanca historical marker

      In memory of Olivia Salamanca, M.D., pioneer woman physician of the Philippines. Born in San Roque, Cavite on 1 July 1889; appointed government scholar in 1905; studied in Drexel ...

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      • encyclopedia of...

      Methodist Episcopal Church historical marker

      Content courtesy of Encyclopedia of Philippine Heritage, which is an ongoing program of the Wiki Society of the Philippines. Wikimedia image page here, image license is CC-Zero.

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      • encyclopedia of...