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

The Ordnance Datum

Submitted by benhammersley

Submitted by benhammersley

    Joseph John’s Homestead

    Joseph Johns was an escaped slave who came to Lebanon County, Pennsylvania, in the mid-1800s and made a living producing charcoal on the slopes of Blue Mountain in what is now Bashore Scout...

    Joseph Johns was an escaped slave who came to Lebanon County, Pennsylvania, in the mid-1800s and made a living producing charcoal on the slopes of Blue Mountain in what is now Bashore...

      Saw Mill River Daylighting - Tribute to Yonkers Labor

      Saw Mill River DaylightingTribute to Yonkers LaborThe numerous saw mills and grist mills for which Mill Street is named allowed Yonkers to grow into a manufacturing powerhouse from the 1600s to...

      Saw Mill River DaylightingTribute to Yonkers LaborThe numerous saw mills and grist mills for which Mill Street is named allowed Yonkers to grow into a manufacturing powerhouse from the 1600s...

      • yonkers
      • saw mill river
      • elisha graves otis
      • 1852
      • 1900
      • 1922

      Saw Mill River Daylighting - Where is the Saw Mill River?

      Saw Mill River Daylighting   Where is the Saw Mill River? Look closely at the map in front of you. It shows the path of the Saw Mill River above ground and below buildings. The map also shows...

      Saw Mill River Daylighting   Where is the Saw Mill River? Look closely at the map in front of you. It shows the path of the Saw Mill River above ground and below buildings. The map also shows...

      • yonkers
      • saw mill river
      • river
      • 2012
      • 1876
      • 1672
      • 1867

      In Remembrance of Dave DeChant

      In Remembrance of Dave DeChantA Respected Engineer, a Trusted Colleague, and a Generous HumanitarianSubmitted by @lampbane

      In Remembrance of Dave DeChantA Respected Engineer, a Trusted Colleague, and a Generous HumanitarianSubmitted by @lampbane

      • brooklyn
      • greenpoint
      • newtown creek
      • dave dechant

      Bergen Street Subway Station

      Built 1933Reconstructed 1992 by employees of the New York City Transit Authority.Alan F. Kiepper, PresidentNew York City Transit AuthoritySubmitted by @lampbane

      Built 1933Reconstructed 1992 by employees of the New York City Transit Authority.Alan F. Kiepper, PresidentNew York City Transit AuthoritySubmitted by @lampbane

      • brooklyn
      • cobble hill
      • subway
      • mta
      • 1933
      • 1992

      A & B Lobster House

      A & B LOBSTER HOUSE ESTB. 1947 A & B Lobster House was founded in 1947 by two fishermen, ALONZO and BERILIN, Thus the name A & B Lobster House. They established a reputation for outstanding...

      A & B LOBSTER HOUSE ESTB. 1947 A & B Lobster House was founded in 1947 by two fishermen, ALONZO and BERILIN, Thus the name A & B Lobster House. They established a reputation for outstanding...

        Pete Ham

        EnglishPete HamMaster of MelodyOf the Swansea BandThe Iveys 1962-1969withRon Griffiths, Mike Gibbins and David Jenkinsand Badfinger 1969-1975withTom Evans 1967, Joey Molland (Liverpool)Mike...

        EnglishPete HamMaster of MelodyOf the Swansea BandThe Iveys 1962-1969withRon Griffiths, Mike Gibbins and David Jenkinsand Badfinger 1969-1975withTom Evans 1967, Joey Molland (Liverpool)Mike...

        • wales
        • music
        • rock
        • entertainment

        Our Lady of Penrhys

        The area where Penrhys now stands has a long and rich history. As the site of a religious shrine dedicated to 'Our Lady Mary' (1) it was one of the most famous pilgrimage sites of the medieval...

        The area where Penrhys now stands has a long and rich history. As the site of a religious shrine dedicated to 'Our Lady Mary' (1) it was one of the most famous pilgrimage sites of the...

        • wales
        • religion
        • statue

        Port Talbot Freemasons

        Freemasonshave held meetings in Port Talbot since 1861. Provincial Grand Lodge of South Wales1717-2017

        Freemasonshave held meetings in Port Talbot since 1861. Provincial Grand Lodge of South Wales1717-2017

        • wales
        • freemasons

        Samuel Freeman Miller

        Samuel Miller moved to Keokuk in 1850 and practiced law here until he was appointed Associate Justice of the United States Supreme Court in 1862. He served until his death, 28 years later, and was...

        Samuel Miller moved to Keokuk in 1850 and practiced law here until he was appointed Associate Justice of the United States Supreme Court in 1862. He served until his death, 28 years later, and was...

        • iowa
        • lee county
        • supreme court

        Frederick Douglass Martha's Vineyard

          La Pila Seca

            El Pino

              La Fundacion Hispanica Valle de Bravo 15 de Noviembre de 1530

                El Ahuehuele de Valle de Bravo

                  Gustavo G. Velazquez Hernandez

                    The Conch Republic

                      Electricidad Para El Progreso de Mexico

                        El Pino 15 de Nov 1530