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

Audubon's Visit to St. Simons

  Image via Michael Rivera. 

  Image via Michael Rivera. 

  • georgia
  • audubon
  • the memory palace

Navajo Code Talkers

The Legendary Navajo Code Talkers During World War II, in the South Pacific Theater, the Japanese were extremely proficient at breaking into military radio communications and transmissions. Thus...

The Legendary Navajo Code Talkers During World War II, in the South Pacific Theater, the Japanese were extremely proficient at breaking into military radio communications and transmissions. Thus...

  • arizona
  • code talkers
  • navajo

Monuments to Everyday

  • bay area
  • california
  • berkeley

Mukilteo Light Station

Mukilteo Light Station Established 1906

Mukilteo Light Station Established 1906

  • washington
  • mukilteo
  • light house

On Sunny Spring Days

TWIN PEAKS NATURAL HABITAT TWIN PEAKS IS THE LAST SAN FRANCISCO HABITAT FOR THE MISSION BLUE BUTTERFLY (ICANICIA ICANIODES MISSIONENSIS), AN ENDANGERED SPECIES THAT WAS ONCE COMMONLY FOUND...

TWIN PEAKS NATURAL HABITAT TWIN PEAKS IS THE LAST SAN FRANCISCO HABITAT FOR THE MISSION BLUE BUTTERFLY (ICANICIA ICANIODES MISSIONENSIS), AN ENDANGERED SPECIES THAT WAS ONCE COMMONLY...

  • san francisco
  • bay area
  • california
  • mission blue
  • butterflies
  • twin peaks

Founding of the Mission and Origin of Name

Submitted by Rob Sweeney

Submitted by Rob Sweeney

  • alamo
  • texas
  • mission
  • todo

Berkeley Public Library

  • bay area
  • berkeley
  • library

Pony Express Ferry "Oakland"

  • bay area
  • california
  • oakland
  • jack london square
  • pony express

Dexter, Michigan - Civil War Monument

Erected by the citizens of Dexter and vicinity, in memory of the heroes who fought and the martyrs who died that the Republic might live.  Dedicated May 30, 1898.

Erected by the citizens of Dexter and vicinity, in memory of the heroes who fought and the martyrs who died that the Republic might live.  Dedicated May 30, 1898.

    World War I Ended Here

      For more information, read Peter Genovese's article and this other article.

      For more information, read Peter Genovese's article and this other article.

    • wwi
    • new jersey
    • traffic circle

    Cozza Circle

    COZZA CIRCLE NAMED IN MEMORY OF TWO SOMERVILLE BROTHERS KILLED IN ACTION DURING WORLD WAR IITECHNICAL SARGEANT VICTOR J. COZZA11-14-18 -- 11-25-43ANDSTAFF SARGEANT SALVATORE E. COZZA12-29-21 --...

    COZZA CIRCLE NAMED IN MEMORY OF TWO SOMERVILLE BROTHERS KILLED IN ACTION DURING WORLD WAR IITECHNICAL SARGEANT VICTOR J. COZZA11-14-18 -- 11-25-43ANDSTAFF SARGEANT SALVATORE E. COZZA12-29-21 --...

    • somerville
    • massachusetts
    • wwii

    God's Free Gift to Man and Beast

    "GOD'S FREE GIFT TO MAN AND BEAST---PRESENTED BYH. D. COGSWELL D. D. S. OF SAN FRANCISCOTO THE CITIZENS OF PAWTUCKET AND CENTRAL FALLS AND THEIR DESCENDANTS FOREVER"   Kathrinne Duffy write a...

    "GOD'S FREE GIFT TO MAN AND BEAST---PRESENTED BYH. D. COGSWELL D. D. S. OF SAN FRANCISCOTO THE CITIZENS OF PAWTUCKET AND CENTRAL FALLS AND THEIR DESCENDANTS FOREVER"   Kathrinne Duffy write...

    • pawtucket
    • central falls
    • rhode island
    • water fountain
    • fountain
    • 99pi
    • drinking fountain

    War Animals

    DEDICATED TO ALL WAR ANIMALS THEY ALSO SERVED   LEST WE FORGET   An article about the dedication of the plaque is here.

    DEDICATED TO ALL WAR ANIMALS THEY ALSO SERVED   LEST WE FORGET   An article about the dedication of the plaque is here.

    • war
    • animals
    • austraila
    • toowoomba

    Yuri Gagarin

      Submitted by ‏@ThatJoelfella.

      Submitted by ‏@ThatJoelfella.

    • cosmonaut
    • gagarin
    • yuri gagarin
    • manchester

    Temperance Water Fountain

    ERECTED 1891 TOTAL ABSTINENCE IS THE WAY TO HANDLETHE ALCOHOL PROBLEM   Submitted by @RaminRahimian. Here's that public water fountain in do Article about the fountain from Sonoma Library.   99...

    ERECTED 1891 TOTAL ABSTINENCE IS THE WAY TO HANDLETHE ALCOHOL PROBLEM   Submitted by @RaminRahimian. Here's that public water fountain in do Article about the fountain from Sonoma Library.   99...

    • bay area
    • california
    • petaluma
    • water fountain
    • fountain
    • 99pi
    • drinking fountain

    Black Horse Tavern

    THE SITE OF THE BLACK HORSE TAVERN, WHERE MET THE COMMITTEE OF SAFETY IN 1775.   Now the site of a BP station.

    THE SITE OF THE BLACK HORSE TAVERN, WHERE MET THE COMMITTEE OF SAFETY IN 1775.   Now the site of a BP station.

      Mayor Bosco

      MayorBosco1981 - 1994   Wikipedia page Submitted by @jqmcd

      MayorBosco1981 - 1994   Wikipedia page Submitted by @jqmcd

      • bay area
      • california
      • sunol

      Sunol

      SUNOL NAMED IN HONOR OF ANTONIO MARIA SUNOL, MERCHANT, NAVAL MAN ANDCATTLEBARRON, WHO ACQUIRED A SPANISH/MEXICAN LAND GRANT IN 1840. ALONG WITH THE VAST RANCHING AND FERTILE FARMLANDS, COAL AND...

      SUNOL NAMED IN HONOR OF ANTONIO MARIA SUNOL, MERCHANT, NAVAL MAN ANDCATTLEBARRON, WHO ACQUIRED A SPANISH/MEXICAN LAND GRANT IN 1840. ALONG WITH THE VAST RANCHING AND FERTILE FARMLANDS, COAL...

      • bay area
      • california
      • sunol
      • ecv

      First Chiropractic Adjustment

      First Chiropractic Adjustment Here at Brady and Second Streets, in the former Ryan Building, is the site of the first chiropractic adjustment. On September 18, 1895, Daniel David Palmer, who was...

      First Chiropractic Adjustment Here at Brady and Second Streets, in the former Ryan Building, is the site of the first chiropractic adjustment. On September 18, 1895, Daniel David Palmer, who...

      • chiropractic
      • davenport
      • iowa

      First Professional (American) Football Game

      In the field south of this site on July 4th, 1895 the Michigan Rushers, a local team, played the first professional football game in Michigan, and possibly in the U.S.   This marker was placed by...

      In the field south of this site on July 4th, 1895 the Michigan Rushers, a local team, played the first professional football game in Michigan, and possibly in the U.S.   This marker was placed...