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

Fossilized Tree Stumps, Newtown Creek

Wattieza (division Pteridophyta, class Cladoxylopsida) These fossils are stumps of some of the oldest trees known to exist. They are 385 million-year-old fossils of trees that grew in the Gilboa...

Wattieza (division Pteridophyta, class Cladoxylopsida) These fossils are stumps of some of the oldest trees known to exist. They are 385 million-year-old fossils of trees that grew in the Gilboa...

  • brooklyn
  • greenpoint
  • newtown creek
  • wattieza
  • gilboa

The Rosie Lee Davis Memorial Garden

    Saint Denis Tomb

    Beneath this building, former site of the Church of Saint Francis, the first Catholic Church in Natchitoches, lie the remains of The Chevalier Louis Juchereau de Saint Denis.Born at Quebec...

    Beneath this building, former site of the Church of Saint Francis, the first Catholic Church in Natchitoches, lie the remains of The Chevalier Louis Juchereau de Saint Denis.Born at...

    • louisiana
    • colonial era
    • gravesite

    The Red River Campaign

     In April 1864, life along tranquil Cane River was brutally disrupted when the Civil War reached area residents. In an operation known as the Red River Campaign, Union naval and land forces...

     In April 1864, life along tranquil Cane River was brutally disrupted when the Civil War reached area residents. In an operation known as the Red River Campaign, Union naval and land forces...

    • louisiana
    • civil war

    Original Sunrise School

    In 1889, W. R. Melton donated a one-acre tract of land at this site "for the cause of Religion and Schools.” The school located here, which served the Sunrise community, was a one-room...

    In 1889, W. R. Melton donated a one-acre tract of land at this site "for the cause of Religion and Schools.” The school located here, which served the Sunrise community, was a one-room...

    • mississippi
    • education

    Bay Creek Baptist Church

    Established in 1896 by Rev. Joseph Lewis Bryant, a member of the Mississippi House of Representatives (1908-1912). Bryant also served as the cogregation's first pastor. The first sanctuary was...

    Established in 1896 by Rev. Joseph Lewis Bryant, a member of the Mississippi House of Representatives (1908-1912). Bryant also served as the cogregation's first pastor. The first sanctuary was...

    • mississippi
    • church
    • religion

    Bridging Communities

    1)The Huey P. Long Bridge (U.S.190), completed in 1940, allowed both rail and automobile traffic to cross the Mississippi River at Baton Rouge. Approximately 17,000 vehicles use the bridge daily....

    1)The Huey P. Long Bridge (U.S.190), completed in 1940, allowed both rail and automobile traffic to cross the Mississippi River at Baton Rouge. Approximately 17,000 vehicles use the bridge daily....

    • louisiana
    • port allen
    • baton rouge
    • rotary club
    • west baton r...

    Largest Passenger Sea Plane In U.S.

    Submitted by @oranv

    Submitted by @oranv

      Babson Reservoir

        Eureka Dye Company

        EUREKA DYE COMPANY 1915 COMMERCIAL BUILDING CONSTRUCTED FOR OWNERS CHARLES DOUGLAS MEYERS (1868-1926), MANAGER OF EU- REKA DYE WORKS; AND SISTER, CAROLINE KELLOCH MEYERS (1866-1956). IN 1922,...

        EUREKA DYE COMPANY 1915 COMMERCIAL BUILDING CONSTRUCTED FOR OWNERS CHARLES DOUGLAS MEYERS (1868-1926), MANAGER OF EU- REKA DYE WORKS; AND SISTER, CAROLINE KELLOCH MEYERS (1866-1956). IN 1922,...

        • topsy
        • elephant
        • large quantities
        • circus

        Beverly High Athletic Field

        This athletic field was created through a cooperative project between the City of Beverly, the Commonwealth of Massachusetts PARC grant program, and the generous contributions of private donors. 2012

        This athletic field was created through a cooperative project between the City of Beverly, the Commonwealth of Massachusetts PARC grant program, and the generous contributions of private donors. 2012

          Plaza Bandstand

          Submitted by @JimStLeger

          Submitted by @JimStLeger

            Denny Creek

            DENNY CREEK HERE JOHN C. FREMONT CAMPED ON HIS JOURNEY OF EXPLORATION IN MAY OF 1846 WAS ATTACKED BY INDIANS AND LOST THREE MEN FOR ONE OF WHOM HE NAMED THE STREAM Submitted by @pdxhistorian

            DENNY CREEK HERE JOHN C. FREMONT CAMPED ON HIS JOURNEY OF EXPLORATION IN MAY OF 1846 WAS ATTACKED BY INDIANS AND LOST THREE MEN FOR ONE OF WHOM HE NAMED THE STREAM Submitted by @pdxhistorian

              Maple Leaf Forever Park

              Submitted by @heritagetoronto

              Submitted by @heritagetoronto

                ZIJ STREDEN EN VIELEN VOOR DE VRIJHEID

                A moment of silence at March 27, 7:06pm Amsterdam to salute those who in the risked their lives or died to prevent centralized data and identity records from being used against those who are...

                A moment of silence at March 27, 7:06pm Amsterdam to salute those who in the risked their lives or died to prevent centralized data and identity records from being used against those who...

                  Baycrest (Jewish Old Folks Home)

                  Tweet Submitted by @heritagetoronto

                  Tweet Submitted by @heritagetoronto

                    Pinau

                      Indiana Indigenous Tribes

                      Submitted by @kevl42

                      Submitted by @kevl42

                        First Steam Fog Horn

                        FIRST STEAM FOG HORN In 1854, Robert Foulis of St. John, N.B., first advocated the use of a steam horn or whistle to give warning to vessels in foggy weather. An apparatus devised by him was...

                        FIRST STEAM FOG HORN In 1854, Robert Foulis of St. John, N.B., first advocated the use of a steam horn or whistle to give warning to vessels in foggy weather. An apparatus devised by him...

                          Barbara Rose Johns

                          Story of how this plaque was added

                          Story of how this plaque was added