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

Chesapeake and Ohio Canal

NATIONAL HISTORICAL MARKER CHESAPEAKE AND OHIO CANAL ONE OF THE BEST PRESERVED AND LEAST ALTERED OF OLD AMERICAN CANALS, THE CHESAPEAKE AND OHIO GREW FROM WASHINGTON'S VISION of LINKING...

NATIONAL HISTORICAL MARKER CHESAPEAKE AND OHIO CANAL ONE OF THE BEST PRESERVED AND LEAST ALTERED OF OLD AMERICAN CANALS, THE CHESAPEAKE AND OHIO GREW FROM WASHINGTON'S VISION of...

  • ties of comm...
  • chesapeak and ohio
  • canal
  • thade
  • canal era

Lady Bird Johnson Park

LADY BIRD JOHNSON PARK  THE DOGWOOD AND DAFFODIL PLANTINGS ON THIS ISLAND ARE DEDICATED TO PRESIDENT & MARS LYNDON B. JOHNSON WHO CHALLENGED AMERICA TO MAKE MORE BEAUTIFUL THE ENVIRONMENT OF ALL...

LADY BIRD JOHNSON PARK  THE DOGWOOD AND DAFFODIL PLANTINGS ON THIS ISLAND ARE DEDICATED TO PRESIDENT & MARS LYNDON B. JOHNSON WHO CHALLENGED AMERICA TO MAKE MORE BEAUTIFUL THE ENVIRONMENT OF ALL...

  • johnson
  • dogwood
  • park
  • washington dc

Air Space

THIS SOIL AND THE AIR SPACE EXTENDING ABOVE IT SHALL NOT BE A PART OF ANY NATION AND SHALL NOT BE SUBJECT TO ANY ENTITY'S JURISDICTION.

THIS SOIL AND THE AIR SPACE EXTENDING ABOVE IT SHALL NOT BE A PART OF ANY NATION AND SHALL NOT BE SUBJECT TO ANY ENTITY'S JURISDICTION.

  • berkeley
  • california
  • bay area
  • air space
  • not be a par...

Richard Stites

Richard Stites, a historian of the Russian revolutionary people, as people. In memory of Richard Stites 1931-2010 member of Martin's Tavern fellowship from 1956 onward Submitted by @Ed_Baptist

Richard Stites, a historian of the Russian revolutionary people, as people. In memory of Richard Stites 1931-2010 member of Martin's Tavern fellowship from 1956 onward Submitted by @Ed_Baptist

  • russia
  • revolution
  • washington dc
  • tavern

Space Tree

SPACE TREE  The seed for this tree were flown abroad the US Space Shuttle Atlantis, December 2-8, 1988 by Lt. Col. Jerry L. Ross, USAF. The tree was presented to the City of Cresco on July...

SPACE TREE  The seed for this tree were flown abroad the US Space Shuttle Atlantis, December 2-8, 1988 by Lt. Col. Jerry L. Ross, USAF. The tree was presented to the City of Cresco on...

  • space tree
  • atlantis
  • cresco
  • iowa
  • 1988
  • notre dame
  • purdue

Dr. Norman E. Borlaug

IN TRIBUTE TO  DR. NORMAN E. BORLAUG  NATIVE OF HOWARD COUNTY, IOWA 1970 NOBEL PEACE PRIZE LAUREATE  HIS WORK IN AGRICULTURE PROMOTED PEACE  BY HIS CRUSADE AGAINST WORLD FAMINE.  Submitted by @Susannist

IN TRIBUTE TO  DR. NORMAN E. BORLAUG  NATIVE OF HOWARD COUNTY, IOWA 1970 NOBEL PEACE PRIZE LAUREATE  HIS WORK IN AGRICULTURE PROMOTED PEACE  BY HIS CRUSADE AGAINST WORLD FAMINE.  Submitted by @Susannist

  • borlaug
  • green revolution
  • nobel peace prize
  • famine
  • iowa

Last Indian Clash

After decades of driving past this plaque, I finally stopped to read the "Last Indian Clash" Near this spot in 1764, Shawnee Indians killed John Tremble (Trimble) in the last such event in Augusta...

After decades of driving past this plaque, I finally stopped to read the "Last Indian Clash" Near this spot in 1764, Shawnee Indians killed John Tremble (Trimble) in the last such event in Augusta...

  • colonization
  • virginia
  • 1764
  • pontiac
  • augusta county

The Bivouc of the Dead

A memorial at Dows Rest Area in Iowa. It reads:  "On fame's eternal camping ground, Their silent tents are spread And glory guards with solemn spread The bivouac of the dead."

A memorial at Dows Rest Area in Iowa. It reads:  "On fame's eternal camping ground, Their silent tents are spread And glory guards with solemn spread The bivouac of the dead."

  • memorial
  • war
  • iowa

Compton's Cafeteria Riot

UPTOWN TENDERLOIN Lost Landmarks COMPTON'S CAFETERIA RIOT ~ 1996 ~  ONE AUGUST EVENING IN 1966, TRANSGENDER WOMEN AND GAY MEN BANDED TOGETHER TO FIGHT BACK AGAINST OPPRESSION AFTER A...

UPTOWN TENDERLOIN Lost Landmarks COMPTON'S CAFETERIA RIOT ~ 1996 ~  ONE AUGUST EVENING IN 1966, TRANSGENDER WOMEN AND GAY MEN BANDED TOGETHER TO FIGHT BACK AGAINST OPPRESSION AFTER A...

  • san diego
  • california
  • transgender
  • gay rights
  • galvanized

Site of North Hall

SITE OF NORTH HALL SECOND OF TWO ORIGINAL CAMPUS BUILDINGS ERECTED 1873 RAZED 1917 AND 1931 

SITE OF NORTH HALL SECOND OF TWO ORIGINAL CAMPUS BUILDINGS ERECTED 1873 RAZED 1917 AND 1931 

  • berkeley
  • california
  • cal
  • razed

Mary Galloway Home Memorial

The Mary Galloway Home For Aged Women Was Chartered By The State Of Tennessee In 1896, And Is The Oldest Home Of Its Kind In Shelby County, Providing A Home Of Dignity And Comfort. This 18 Space...

The Mary Galloway Home For Aged Women Was Chartered By The State Of Tennessee In 1896, And Is The Oldest Home Of Its Kind In Shelby County, Providing A Home Of Dignity And Comfort. This 18 Space...

  • shelby county
  • tennessee

Steven Gerald Krohn

In Loving Memory BMC STEVEN GERALD KROHN April 3, 1949 - February 25, 2009 United States Coast Guard Octover 19[?] - October 1987 OINC Station Depoe Bay May 1983 - October 1987  A true American...

In Loving Memory BMC STEVEN GERALD KROHN April 3, 1949 - February 25, 2009 United States Coast Guard Octover 19[?] - October 1987 OINC Station Depoe Bay May 1983 - October 1987  A true...

  • depoe bay
  • oregon
  • coast guard

The First Asphalt- Paved Road in the State of Washington

  • 1913
  • asphalt
  • washington
  • loops road

Edwin Knox Memorial

Plaque reads: 'Cleve Gardens Edwin Knox drowned in South Africa in 1901 while serving in the Boer War. He had grown up in St Kilda but was working in the Toongabbie district in South Eastern...

Plaque reads: 'Cleve Gardens Edwin Knox drowned in South Africa in 1901 while serving in the Boer War. He had grown up in St Kilda but was working in the Toongabbie district in South...

  • australian
  • boer
  • war
  • melbourne

San Vincenzo Train Station

Not In My Back Yard is not a new thing. Plaque reads: 'Between 1860 and 1880 the Ferrovia Maremmana was built. In 1863 the railway reached Cecina and, in 1864, Orbetello. In these years the Town...

Not In My Back Yard is not a new thing. Plaque reads: 'Between 1860 and 1880 the Ferrovia Maremmana was built. In 1863 the railway reached Cecina and, in 1864, Orbetello. In these years the Town...

  • train station
  • italy
  • tuscany

Ludwig's Fountain

LUDWIG'S FOUNTAIN IN HONOR OF LUDWIG VON SCHWARENBURG CAMPUS CANINE --------BY ACT OF THE BOARD OF REGENTS APRIL 24, 1961 DEDICATED JUNE 13, 1968 

LUDWIG'S FOUNTAIN IN HONOR OF LUDWIG VON SCHWARENBURG CAMPUS CANINE --------BY ACT OF THE BOARD OF REGENTS APRIL 24, 1961 DEDICATED JUNE 13, 1968 

  • berkeley
  • california
  • cal
  • fountain
  • canine

Pound Bend Tunnel Wash Out

Plaque reads: 'Wash Out!  in July 1870, a large party assembled at the other end of this tunnel to watch the Yarra take its new course. It must have been a spectacular sight! Overall, the project...

Plaque reads: 'Wash Out!  in July 1870, a large party assembled at the other end of this tunnel to watch the Yarra take its new course. It must have been a spectacular sight! Overall, the...

  • river
  • tunnel
  • dam
  • australia
  • victoria
  • gold mining

Emerson's Pickle Factory

George W. Emerson's Pickle Factory Site  1874-1892 Submitted By: Bob Dempkowski  

George W. Emerson's Pickle Factory Site  1874-1892 Submitted By: Bob Dempkowski

  • somerville
  • massachusetts
  • pickle
  • factory
  • 1874

Battery Mendel

BATTERY MENDEL  This battery was named for an Army engineer, Colonel George H. Mendel. After his graduation from West Point in 1852, he began a long career in planning and designing military...

BATTERY MENDEL  This battery was named for an Army engineer, Colonel George H. Mendel. After his graduation from West Point in 1852, he began a long career in planning and designing...

  • battery
  • disappearing guns
  • marin

Skip Hoitink 2014

Skip Hoitink 2014 For your love of our park, trails and ocean Our thanks - Depoe Bay

Skip Hoitink 2014 For your love of our park, trails and ocean Our thanks - Depoe Bay

  • depoe bay
  • oregon