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

Link between Ft. Washington and Riverside Parks

The 1998 completion of this link between Ft. Washington and Riverside Parks connects 7 miles of continuous public riverfront. It is part of a larger effort to develop both a city-wide...

  • new york
  • manhattan
  • riverside park
  • ft. washington park
  • hudson river
  • park
  • 1998

Forever Wild Nature Preserve

The Forever Wild program is an NYC Parks initiative to protect and preserve the most ecologically valuable lands within the five boroughs. The 51 Forever Wild nature preserves include over 8,700...

  • new york
  • manhattan
  • ft. washington park
  • forever wild
  • nyc parks

"Four Chimneys" House of George Washington

THIS TABLET MARKS THE LAND UPON WHICH STOOD FOUR CHIMNEYS THE HOUSE OCCUPIED BY GENERAL GEORGE WASHINGTON AS HEADQUARTERS DURING THE BATTLE OF LONG ISLAND. IN WHICH THE COUNCIL OF WAR WAS...

    Deferiet Service Memorial

    Deferiet is a tiny, remote town on the edge of New York’s Adirondack Park. The paper mill which fueled its origins has closed, leaving a near ghost town behind. Though small the citizens...

    • deferiet
    • milltown
    • ghost town
    • world war ii
    • adirondacks

    This is the site where James Harrison invented the worlds first ice making machine at Rocky Point Geelong 1854

    This is the site where James Harrison invented the worlds first ice making machine at Rocky Point Geelong 1854.

    • refrigeration
    • geelong
    • 1854
    • james harrison

    Bristol-Myers founded here

    World Famous BRISTOL-MYERS COMPANY Was founded as CLINTON PHARMACEUTICAL COMPANY by Mr. William M. Bristol And Mr. John R. Myers On the second floor Of this building in 1887 Clinton...

    • clinton
    • bristol myers
    • bristol myers squibb

    Mauch Chunk Patriotism

    Mauch Chunk, PA is arguably where the roller coaster was invented, in the form of the “Mauch Chunk Scenic Railway” which was in fact a repurposed coal train. In 1954 two cross-river boroughs...

    • mauch chunk
    • pennsylvania
    • coaltown
    • jim thorpe

    Old Man of the Mountain Profiler Plaza

    Plaque is dedicated to a landmark natural feature which crumbled in 2003. At the Profiler Plaza onlookers can align metal facsimiles with the mountain view to simulate the Old Man’s appearance....

    • old man of t...
    • new hampshire
    • franconia notch

    Tangier Island History

    Plaque seen on Tangier Island, a vanishing place in the Chesapeake Bay. Tangier is notable for a distinctive dialect and an absence of cars. Q 7A TANGIER ISLAND The island was visited in 1608...

    • tangier
    • chesapeake
    • climate refugee
    • bay
    • island
    • chesapeake island

    Birthplace of Silicon Valley (HP Garage)

      Uncle Sam Plaza

      Near this spot stood the birthplace of Samuel "Uncle Sam" Wilson (1766-1854) Patriot. Participant in 1775. His Troy packing plant fed the soldiers of 1813. His popular nickname, associated with...

      • arlington ma
      • revolutionary war

      Ocean Shore Railroad and Granada

      Ocean Shore R.R. and Granada The whistle of the first Ocean Shore Railroad passenger train from San Francisco to Granada echoed off nearby hills on June 10th, 1908. There were 300 San Franciscans,...

      • oceanshorerailroad
      • history
      • railroad
      • elgranada

      Dominguez-Escalante Expedition

      DOMINGUEZ-ESCALANTE EXPEDITION On August 10, 1776, there passed by here the expedition of Fathers Francisco Atanasio Dominquez and Silvestre Velez de Escalante with eight companions. They...

        Matt Mulliean, Untitled

        Matt Mulliean Untitled, 1989 Etched granite Overall dimensions 68 feet by 8 feet The images of this monumental mural chronicle the history of the site bounded by 19th and 50th streets and...

        • new york
        • manhattan
        • art
        • mta
        • subway
        • midtown
        • hell's kitchen
        • mural
        • 1989

        Juan Alonso Community Garden & Parks

        Hell's Kitchen JUAN ALONSO COMMUNITY GARDEN & PARKS JUAN ALONSO COMMUNITY GARDEN is dedicated to the memory of Juan Alonso, a long time resident and devoted community gardener, who spent countless...

        • new york
        • manhattan
        • hell's kitchen
        • juan alonso
        • 1993
        • 2000