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

Dingman's Hall

DINGMAN'S HALL (later Broadview Hotel) 1891 This four-storey Romanesque Revival-style building was constructed for Archibald W. Dingman, an entrepreneur influential in Alberta's early oil-drilling...

DINGMAN'S HALL (later Broadview Hotel) 1891 This four-storey Romanesque Revival-style building was constructed for Archibald W. Dingman, an entrepreneur influential in Alberta's early...

  • toronto
  • ontario
  • hotel
  • oil drilling
  • squared-head...
  • famous strip club

Mary Ellen Pleasant Memorial Park

MARY ELLEN PLEASANT MEMORIAL PARK MOTHER OF CIVIL RIGHTS IN CALIFORNIA  SHE SUPPORTED THE WESTERN TERMINUS OF THE UNDERGROUND RAILWAY FOR FUGITIVE SLAVES 1850-1865. THIS LEGENDARY PIONEER ONCE...

MARY ELLEN PLEASANT MEMORIAL PARK MOTHER OF CIVIL RIGHTS IN CALIFORNIA  SHE SUPPORTED THE WESTERN TERMINUS OF THE UNDERGROUND RAILWAY FOR FUGITIVE SLAVES 1850-1865. THIS LEGENDARY PIONEER...

  • san francisco
  • bay area
  • california
  • slavery
  • underground railroad
  • underground railway
  • terminus
  • pioneer
  • civil rights
  • six trees

100 Broad Street

100 BROAD STREET  DEVELOPMENT BY BOULTBEE LAND PLC BUILT BY LOVELL CONSTRUCTION LTD OPENED 15TH JUNE 1990 BY THE LORD MAYOR OF BIRMINGHAM COUNCILLOR BERNARD ZISSMAN Submitted by @caddickbrown

100 BROAD STREET  DEVELOPMENT BY BOULTBEE LAND PLC BUILT BY LOVELL CONSTRUCTION LTD OPENED 15TH JUNE 1990 BY THE LORD MAYOR OF BIRMINGHAM COUNCILLOR BERNARD ZISSMAN Submitted by @caddickbrown

  • birmingham
  • england
  • broad st

The World's Largest Chair

THE WORLD'S LARGEST CHAIR PRESENTED TO CURTIS BROS FOR THEIR OUTSTANDING LEADERSHIP AND SERVICE TO THE PUBLIC BY THE BASSETT FURNITURE INDUSTRIES  THE CHAIR MADE OF SOLID HONDURAS MAHOGANY IS 19'...

THE WORLD'S LARGEST CHAIR PRESENTED TO CURTIS BROS FOR THEIR OUTSTANDING LEADERSHIP AND SERVICE TO THE PUBLIC BY THE BASSETT FURNITURE INDUSTRIES  THE CHAIR MADE OF SOLID HONDURAS MAHOGANY IS...

  • washington dc
  • dc
  • chair

Charles Taylor Master Mechanic Award

CHARLES E. TAYLOR  THE CHARLES TAYLOR MASTER MECHANIC AWARD IS AN HONOR PRESENTED BY THE UNITED STATES FEDERAL AVIATION ADMINISTRATION IN HONOR OF CHARLES TAYLOR, THE FIRST AVIATION MECHANIC IN...

CHARLES E. TAYLOR  THE CHARLES TAYLOR MASTER MECHANIC AWARD IS AN HONOR PRESENTED BY THE UNITED STATES FEDERAL AVIATION ADMINISTRATION IN HONOR OF CHARLES TAYLOR, THE FIRST AVIATION MECHANIC...

  • wright brothers
  • airplane
  • chicago
  • illinois
  • certificated
  • taylor
  • aircraft
  • 50 years

Great Salt Lake Base and Meridian

No 12 ERECTED JUNE 12, 1932 GREAT SALT LAKE BASE AND MERIDIAN LATITUDE 40°46'04" - LONGITUDE 111°54'00" ALTITUDE (SIDEWALK) 4327.27 FT. FIXED BY ORSON PRATT ASSISTED BY HENRY G. SHERWOOD, AUGUST...

No 12 ERECTED JUNE 12, 1932 GREAT SALT LAKE BASE AND MERIDIAN LATITUDE 40°46'04" - LONGITUDE 111°54'00" ALTITUDE (SIDEWALK) 4327.27 FT. FIXED BY ORSON PRATT ASSISTED BY HENRY G. SHERWOOD, AUGUST...

  • salt lake city
  • utah
  • base
  • meridian
  • mormon
  • 99pi

Sgt. Walter K. Singleton (1944 - 1967)

Born in Memphis and a graduate from Bartlett High School, Singleton was posthumously awarded the Medal of Honor by Congress for heroism during combat in Vietnam. Serving in the 3rd Marine...

Born in Memphis and a graduate from Bartlett High School, Singleton was posthumously awarded the Medal of Honor by Congress for heroism during combat in Vietnam. Serving in the 3rd...

  • shelby county
  • tennessee

Police Memorial

Shooting of police officers is thankfully a rare occurrence in Australia. THis is the only one of these I have seen.   These officers were shot while on a stakeout in 1998  <a...

Shooting of police officers is thankfully a rare occurrence in Australia. THis is the only one of these I have seen.   These officers were shot while on a stakeout in 1998  <a...

  • police
  • shooting
  • memorial
  • australia

Neath Volunteers

Dedicated to The Neath Volunteers for Liberty who died whilst defending democracy in the Spanish Civil War HAROLD DAVIES of NEATH ALWYN SKINNER of NEATH JAMES STRANGWARD of ONLLWYN Submitted by...

Dedicated to The Neath Volunteers for Liberty who died whilst defending democracy in the Spanish Civil War HAROLD DAVIES of NEATH ALWYN SKINNER of NEATH JAMES STRANGWARD of ONLLWYN Submitted...

  • neath
  • wales
  • uk
  • spanish civil war
  • volunteers
  • whilst

Inventor of the Backpack Parachute

Solomon Lee Van Meter, Jr. Inventor of the Backpack Parachute Amanda Matthews, Sculptor Prometheus Foundry, Lex. On loan from The Aviation Museum of Ky., Lexington    Submitted by  Bryan Arnold ...

Solomon Lee Van Meter, Jr. Inventor of the Backpack Parachute Amanda Matthews, Sculptor Prometheus Foundry, Lex. On loan from The Aviation Museum of Ky., Lexington    Submitted by  Bryan Arnold ...

    Playland at the Beach

    HISTORICAL SITE  ON THIS SITE, FROM SUTRO HEIGHTS PARK TO GOLDEN GATE PARK FROM THE EARLY 1920S UNTIL 1972, STOOD THE WORLD FAMOUS PLAYLAND-AT-THE-BEACH AMUSEMENT PARK. THIS MONUMENT IS FONDLY...

    HISTORICAL SITE  ON THIS SITE, FROM SUTRO HEIGHTS PARK TO GOLDEN GATE PARK FROM THE EARLY 1920S UNTIL 1972, STOOD THE WORLD FAMOUS PLAYLAND-AT- THE-BEACH AMUSEMENT PARK. THIS MONUMENT...

    • san francisco
    • bay area
    • california
    • playland
    • amusement park
    • fondly dedicated

    First Congregational Church in Amherst

      First Congregational Church in Amherst In 1739, the Puritan-dominated Massachusetts Bay Colony authorized establishment of a First Church for the East District of Hadley. In 1759 the district...

      First Congregational Church in Amherst In 1739, the Puritan-dominated Massachusetts Bay Colony authorized establishment of a First Church for the East District of Hadley. In 1759 the district...

    • amherst
    • massachusetts
    • congregation...
    • 1939

    The Jones Library, Amherst, Massachusetts

    THE JONES LIBRARY AMHERST, MASSACHUSETTS  "To the Jones Library my first serious collector and longtime friend under Charles Green. Robert Frost   Submitted by @CitizenWald

    THE JONES LIBRARY AMHERST, MASSACHUSETTS  "To the Jones Library my first serious collector and longtime friend under Charles Green. Robert Frost   Submitted by @CitizenWald

    • amherst
    • massachusetts
    • jones
    • robert frost

    Michael James Delligatti, Inventor of Big Mac

    McDonald's Presented to Michael James Delligatti in Recognition of 20 years of Outstanding Leadership, Achievement, and Innovation 1957 - 1977 by the Men and Women of McDonald's of Pittsburgh

    McDonald's Presented to Michael James Delligatti in Recognition of 20 years of Outstanding Leadership, Achievement, and Innovation 1957 - 1977 by the Men and Women of McDonald's of Pittsburgh

    • pittsburgh
    • pennsylvania
    • big mac
    • mcdonalds
    • table

    Here Stood the Residence of John Hancock

      Plaque as cautionary tale: the loss of the John Hancock House in Boston helped galvanize the #preservation movement Submitted by @CitizenWald

      Plaque as cautionary tale: the loss of the John Hancock House in Boston helped galvanize the #preservation movement Submitted by @CitizenWald

      The Last Public Hanging in Birmingham

      Submitted by @caddickbrown

      Submitted by @caddickbrown

      • birmingham
      • england
      • hanging
      • puns
      • cursive

      Rescue of Joshua Glover

      RESCUE OF JOSHUA GLOVER Joshua Glover was a runaway slave who sought freedom in Racine in 1852. In 1854, his Missouri owner used the Fugitive Slave Act to apprehend him. This 1850 law permitted...

      RESCUE OF JOSHUA GLOVER Joshua Glover was a runaway slave who sought freedom in Racine in 1852. In 1854, his Missouri owner used the Fugitive Slave Act to apprehend him. This 1850 law permitted...

      • racine
      • wisconsin
      • slavery
      • canada
      • fuguitive slave act

      Dr John Ash

      DR JOHN ASH 1723 - 1798  who resided here for a time, founded the General Hospital in 1768.  [Location approximate] Submitted by @caddickbrown.

      DR JOHN ASH 1723 - 1798  who resided here for a time, founded the General Hospital in 1768.  [Location approximate] Submitted by @caddickbrown.

      • birmingham
      • england
      • hostpital

      Guild of Handicrafts

      [Location approximate] Submitted by @caddickbrown

      [Location approximate] Submitted by @caddickbrown

      • birmingham
      • england
      • dixon
      • handicrafts

      Admiral Lord Nelson

      Trafalgar Bi-Centenary 2005  ADMIRAL LORD NELSON 1758 - 1805  Whilst visiting Birmingham in August 1802, Vice Admiral Viscount Nelson stayed at Styles' (later the Royal) Hotel, which stood at the...

      Trafalgar Bi-Centenary 2005  ADMIRAL LORD NELSON 1758 - 1805  Whilst visiting Birmingham in August 1802, Vice Admiral Viscount Nelson stayed at Styles' (later the Royal) Hotel, which stood at the...

      • birmingham
      • england
      • trafalgar
      • nelson
      • styles hotel
      • bull ring