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

Gold Discovered

1848  GOLD DISCOVERED News of the discovery of gold at Coloma reaches Monterey. Many people depart for the gold fields, leaving Monterey almost abandoned.

1848  GOLD DISCOVERED News of the discovery of gold at Coloma reaches Monterey. Many people depart for the gold fields, leaving Monterey almost abandoned.

  • monterey
  • california
  • 1848
  • gold
  • coloma

Burt Toler, Sr

  • berkeley
  • california
  • bay area
  • football
  • field official

Corona WWII Deaths

  • corona
  • italy
  • wwii

Silk Stocking Historic District Est. 1912

Submitted by @jqmcd

Submitted by @jqmcd

  • chandler
  • arizona
  • silk stocking
  • 1912

Federal Building

THIS FEDERAL BUILDING WAS OFFICIAL OPENED BY DAVID W. GROOS M.P. ON 17 JANUARY 1967     Submitted by: Vincent Gornall

THIS FEDERAL BUILDING WAS OFFICIAL OPENED BY DAVID W. GROOS M.P. ON 17 JANUARY 1967     Submitted by: Vincent Gornall

  • victoria
  • british columbia
  • federal building

The Famous "49 Fourth Street" Location

ON THIS SITE, THE FAMOUS "49 FOURTH STREET" LOCATION OF THE UNITED STATES SELECTIVE SERVICE INDUCTION CENTER, TENS OF THOUSANDS OF SAN FRANCISCANS AND OTHER NORTHER CALIFORNIANS WERE INDUCTED INTO...

ON THIS SITE, THE FAMOUS "49 FOURTH STREET" LOCATION OF THE UNITED STATES SELECTIVE SERVICE INDUCTION CENTER, TENS OF THOUSANDS OF SAN FRANCISCANS AND OTHER NORTHER CALIFORNIANS WERE INDUCTED INTO...

  • san francisco
  • bay area
  • california
  • wwii
  • selective service
  • 1940

Usonia Homes

Submitted by: Sam Santangelo

Submitted by: Sam Santangelo

  • frank lloyd wright
  • usonia
  • 99pi
  • new york

Eternal Vigilance is the Price of Liberty

"ETERNAL VIGILANCE IS THE PRICE OF LIBERTY" MARKING ROUTE TAKEN BY WASHINGTON FROM PHILADELPHIA TO CAMBRIDGE TO ASSUME COMMAND OF THE PATRIOT ARMY IN 1775 PLACED HERE BY THE NEW JERSEY...

"ETERNAL VIGILANCE IS THE PRICE OF LIBERTY" MARKING ROUTE TAKEN BY WASHINGTON FROM PHILADELPHIA TO CAMBRIDGE TO ASSUME COMMAND OF THE PATRIOT ARMY IN 1775 PLACED HERE BY THE NEW...

  • washington
  • george washington
  • revolutionary wary
  • liberty
  • vigilance
  • 1775

Usonia Homes

Submitted by Avery Trufelman. 

Submitted by Avery Trufelman. 

  • wright
  • frank lloyd wright
  • 99pi
  • new york

Reconciling History, Baltimore's Confederate Monuments

Lee Jackson Monument This monument was a gift from prominent Baltimore banker J. Henry Fergusun, who left funds in his will for the City of Baltimore to create a monument to his childhood heroes,...

Lee Jackson Monument This monument was a gift from prominent Baltimore banker J. Henry Fergusun, who left funds in his will for the City of Baltimore to create a monument to his childhood...

  • baltimore
  • maryland
  • confederacy
  • civil war
  • special commission
  • white supremacy
  • lost cause

1887 Railway Accident Memorial

Plaque reads: This memorial is erected by public subscription in the honor of the late Frederick William Maskell and James McNab  The former engine driver, aged 46 years And the latter Fireman,...

Plaque reads: This memorial is erected by public subscription in the honor of the late Frederick William Maskell and James McNab  The former engine driver, aged 46 years And the latter Fireman,...

  • train
  • railway
  • accident
  • melbourne
  • australia
  • heroic devot...
  • windsor
  • fearful accident

Western Canada's Oldest Skyscraper

Union Bank Building (Top right plaque. English transcription)   Constructed in 1903-1904, this building is Western Canada's oldest skyscraper. It combines the technology of steel framing, a rich...

Union Bank Building (Top right plaque. English transcription)   Constructed in 1903-1904, this building is Western Canada's oldest skyscraper. It combines the technology of steel framing, a...

  • winnipeg
  • manitoba
  • royal bank
  • skyscraper
  • canada
  • western canada
  • tallest

Field Artillery Cannon, Donor Unknown

    Proclaiming Its Admission to the Union

    THIS GUN WAS USED TO FIRE THE FIRST SALUTE (OCTOBER 18TH, 1850) ON THE ARRIVAL OF THE NEWS IN CALIFORNIA PROCLAIMING ITS ADMISSION TO THE UNION  REMOUNTED FOR THE CITY OF WATSONVILLE, MARCH 22,...

    THIS GUN WAS USED TO FIRE THE FIRST SALUTE (OCTOBER 18TH, 1850) ON THE ARRIVAL OF THE NEWS IN CALIFORNIA PROCLAIMING ITS ADMISSION TO THE UNION  REMOUNTED FOR THE CITY OF WATSONVILLE, MARCH 22,...

    • watsonville
    • california
    • cannon
    • admission
    • 1850

    George Washington

    GEORGE WASHINGTON  1732 - 1799  FATHER OF HIS COUNTRY  FIRST IN WAR, FIRST IN PEACE FIRST IN THE HEARTS OF HIS COUNTRYMENT

    GEORGE WASHINGTON  1732 - 1799  FATHER OF HIS COUNTRY  FIRST IN WAR, FIRST IN PEACE FIRST IN THE HEARTS OF HIS COUNTRYMENT

    • watsonville
    • california
    • george washington

    Bryant Park Studios

    BRYANT PARK STUDIOS  80 WEST 40TH STREET Submitted by: Sasha

    BRYANT PARK STUDIOS  80 WEST 40TH STREET Submitted by: Sasha

    • bryant park
    • studios

    The Determination of One Man

    IN OCTOBER OF 1906, JOSEPH DEBENEDETTI CONSTRUCTED THIS TWO STORY MISSION REVIVAL COMMERCIAL STYLE BUILDING, WHICH IMMEDIATELY BECAME THE CENTER OF COMMERCE FOR HALF MOON BAY AND THE SURROUNDING...

    IN OCTOBER OF 1906, JOSEPH DEBENEDETTI CONSTRUCTED THIS TWO STORY MISSION REVIVAL COMMERCIAL STYLE BUILDING, WHICH IMMEDIATELY BECAME THE CENTER OF COMMERCE FOR HALF MOON BAY AND THE...

    • half moon bay
    • california
    • concrete-reinforced
    • 1906
    • earthquake

    All the Surf Riders

    IN HONOR OF ALL THE SURF RIDERS WHO ENJOY OUR MAGNIFICENT SAN MATEO COAST THE JOSEPH W. COTCHETT FOUNDATION

    IN HONOR OF ALL THE SURF RIDERS WHO ENJOY OUR MAGNIFICENT SAN MATEO COAST THE JOSEPH W. COTCHETT FOUNDATION

    • half moon bay
    • california
    • surf
    • surf riders
    • san mateo coast
    • surfing

    Rotary Centennial Mural

    • half moon bay
    • california
    • mural

    Lincoln Beachey

    LINCOLN BEACHEY  MARCH 3, 1887 - MARCH 14, 1915 LINCOLN BEACHEY WAS BORN IN SAN FRANCISCO AND CALLED THE CITY “HOME” ALL HIS SHORT LIFE. HIS AERIAL ADVENTURES STARTED AT AGE 18, FLYING DIRIGIBLES....

    LINCOLN BEACHEY  MARCH 3, 1887 - MARCH 14, 1915 LINCOLN BEACHEY WAS BORN IN SAN FRANCISCO AND CALLED THE CITY “HOME” ALL HIS SHORT LIFE. HIS AERIAL ADVENTURES STARTED AT AGE 18, FLYING DIRIGIBLES....

    • san francisco
    • california
    • bay area
    • beachey
    • planes
    • aviation
    • crash