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

Cement Bill - Lookout Mountain Highway

He changed his first name to Cement! William Williams was a cement contractor and became known as "Cement Bill" for his extensive use of the material. Williams adopted Cement as his first name (no...

He changed his first name to Cement! William Williams was a cement contractor and became known as "Cement Bill" for his extensive use of the material. Williams adopted Cement as his first name (no...

  • golden
  • colorado
  • highways
  • roads
  • cement
  • lookout mountain

Seat of Knowledge

   This seat was placed here on 24 October 2010, on the site of the first school built in Bullsmouth in 1865, Dedicated to all the pupils and teachers of Bullsmouth N.S. [National School  ©...

   This seat was placed here on 24 October 2010, on the site of the first school built in Bullsmouth in 1865, Dedicated to all the pupils and teachers of Bullsmouth N.S. [National School  ©...

  • ireland
  • seat
  • knowledge

John W. Greer

Dedicated the Representative John W. Greer who served with distinction for 30 years in the Georgia General Assembly and was instrumental in the establishment and expansion of the Metropolitan...

Dedicated the Representative John W. Greer who served with distinction for 30 years in the Georgia General Assembly and was instrumental in the establishment and expansion of the Metropolitan...

  • atlanta
  • georgia
  • marta

The Old Bakery

THE OLD BAKERYBICENTENNIAL SQUARE THE OLD BAKER WAS THE OFFICE OF BICENTENNIAL AFFAIRS DURING THE CELEBRATION OF THE AMERICAN BICENTENNIAL IN AUSTIN. FESTIVAL VENTS, PROJECTS PRESERVING...

THE OLD BAKERYBICENTENNIAL SQUARE THE OLD BAKER WAS THE OFFICE OF BICENTENNIAL AFFAIRS DURING THE CELEBRATION OF THE AMERICAN BICENTENNIAL IN AUSTIN. FESTIVAL VENTS, PROJECTS...

  • austin
  • texas
  • bakery
  • bicentennial
  • 1976

As a Thankoffering He Bequeathed a Legacy

HERE STOOD THE HOUSE OF ALD. HERCULES CLAY, DESTROYED MARCH 11TH 1643 DURING THE SECOND SIEGE OF NEWARK BY A BOMB AIMED AT THE GOVERNOR'S RESIDENCE. THE ALDERMAN THRICE DREAMED OF THE DESTRUCTION...

HERE STOOD THE HOUSE OF ALD. HERCULES CLAY, DESTROYED MARCH 11TH 1643 DURING THE SECOND SIEGE OF NEWARK BY A BOMB AIMED AT THE GOVERNOR'S RESIDENCE. THE ALDERMAN THRICE DREAMED OF THE DESTRUCTION...

  • clay
  • bomb
  • thankoffering
  • england
  • legacy
  • seige

Romiley Railway Station

 Romiley Railway Stationcelebrating150 yearsOpened 1862 by theManchester,Sheffield & Lincolnshire Railway(MS&LR)Unveiled 8th September 2012by Mayor Wendy Meikle &Andrew Stunell OBE MP   Submitted...

 Romiley Railway Stationcelebrating150 yearsOpened 1862 by theManchester,Sheffield & Lincolnshire Railway(MS&LR)Unveiled 8th September 2012by Mayor Wendy Meikle &Andrew Stunell OBE MP  ...

  • england
  • manchester
  • railway
  • railroad
  • station

Was Provided by San Quentin Prison

MARIN HOTEL 1859BUILT BY GUISEPPE ANGELOTTITHE OLDEST COMMERCIAL BUILDING IN MARIN 1224 FOURTHA SIMPLE BRICK BUILDING IN VICTORIAN ORNAMENT LABOR FOR CONSTRUCTION WAS PROVIDED BY SAN QUENTIN...

MARIN HOTEL 1859BUILT BY GUISEPPE ANGELOTTITHE OLDEST COMMERCIAL BUILDING IN MARIN 1224 FOURTHA SIMPLE BRICK BUILDING IN VICTORIAN ORNAMENT LABOR FOR CONSTRUCTION WAS PROVIDED BY SAN...

  • san rafael
  • california
  • bay area
  • san quentin
  • prison
  • hotel
  • victorian

These Tidal Flood Defences Were Completed

Via https://twitter.com/CECHR_UoD/status/700280062558527488

Via https://twitter.com/CECHR_UoD/status/700280062 558527488

  • england
  • flood
  • 1953
  • 1978
  • defences

St. Mark's Church

  Submitted by @jqmcd 

  Submitted by @jqmcd 

  • washington dc
  • dc
  • church

General Washington's Lots

  HERE WERE THE LOTS ACQUIRED ON OCTOBER 3, 1798 BY GENERAL GEORGE WASHINGTON AND ON WHICH HE BUILT TWO BRICK DWELLINGS FROM DESIGNS BY DR. WILLIAM THORNTON. A DWELLING REMODELED FROM THE...

  HERE WERE THE LOTS ACQUIRED ON OCTOBER 3, 1798 BY GENERAL GEORGE WASHINGTON AND ON WHICH HE BUILT TWO BRICK DWELLINGS FROM DESIGNS BY DR. WILLIAM THORNTON. A DWELLING REMODELED FROM...

  • washington dc
  • dc
  • general washington
  • wilkes
  • dwellings

Between the United States and Canada

Submitted by @jqmcd 

Submitted by @jqmcd 

  • washington dc
  • dc
  • canada

William Phelps Eno Memorial Pedestrian Mall

THE WILLIAM PHELPS ENO MEMORIAL PEDESTRIAN MALL WILLIAM PHELPS ENO 1858 - 1954 [sic]  FOUNDER OF ENO FOUNDATION FOR TRANSPORTATION, INC. WESTPORT, CONNECTICUT  [The death date is apparently...

THE WILLIAM PHELPS ENO MEMORIAL PEDESTRIAN MALL WILLIAM PHELPS ENO 1858 - 1954 [sic]  FOUNDER OF ENO FOUNDATION FOR TRANSPORTATION, INC. WESTPORT, CONNECTICUT  [The death date is apparently...

  • westport
  • connecticut
  • pedestrian
  • mall

The Sandy Springs

Submitted by @jqmcd.

Submitted by @jqmcd.

  • georgia
  • springs
  • sandy
  • todo

Monumental Church

SA 38 MONUMENTAL CHURCH The church is a memorial to the 72 people, including Virginia Governor George W. Smith, who died when the Richmond Theatre burned here in 1811. Several survivors owed their...

SA 38 MONUMENTAL CHURCH The church is a memorial to the 72 people, including Virginia Governor George W. Smith, who died when the Richmond Theatre burned here in 1811. Several survivors owed their...

  • richmond
  • church
  • historical
  • church
  • slavery

Bow and Arrow

The rock outline you see on the distant bluff is an archaeological curiosity.  Jacob V. Brower, a Minnesota archaeologist, observed this formation in 1902 and interpreted it as a bow and arrow. ...

The rock outline you see on the distant bluff is an archaeological curiosity.  Jacob V. Brower, a Minnesota archaeologist, observed this formation in 1902 and interpreted it as a bow and arrow. ...

  • wisconsin
  • native
  • archaeology
  • pepin

Fort Beauharnois

On the shore of Lake Pepin just north of here a French expedition commanded by LaPerriere and accompanied by two Jesuits in September 1727 built a fort and the mission of St. Michael the...

On the shore of Lake Pepin just north of here a French expedition commanded by LaPerriere and accompanied by two Jesuits in September 1727 built a fort and the mission of St. Michael...

  • minnesota
  • pepin

Maiden Rock

The story of Maiden Rock has several versions. One by Mary Eastman was published in 1849. She heard the story from an old Indian friend, Checkered Cloud, who firmly believed the event happened...

The story of Maiden Rock has several versions. One by Mary Eastman was published in 1849. She heard the story from an old Indian friend, Checkered Cloud, who firmly believed the event...

  • wisconsin
  • pepin
  • sioux

Enroute West to Reorganize the Confederacy

NATION FORD Original trestle completed 1852 by Charlotte & South Carolina R. R. on the site of ancient crossing known as the Nation Form. Burning by Federals April 19, 1865, touched off sharp...

NATION FORD Original trestle completed 1852 by Charlotte & South Carolina R. R. on the site of ancient crossing known as the Nation Form. Burning by Federals April 19, 1865, touched off...

  • jefferson davis
  • civil war
  • cornwallis
  • indians
  • ford
  • cherokee
  • catawba
  • sumter
  • trestle

Once the Home of Farms, Pastures, Tenant Houses

This chimney was once part of a tenant house owned by Stephen Spruill (born 1870) who owned over one thousand acres of land in DeKalb and Fulton County. The tenant house, circa 1900, was located...

This chimney was once part of a tenant house owned by Stephen Spruill (born 1870) who owned over one thousand acres of land in DeKalb and Fulton County. The tenant house, circa 1900, was...

  • washington
  • d.c.
  • d.c.
  • farm

Coit Tower Bench

TO THE MEMORY OF GUGLIELMO MARCONI  ERECTED BY POPULAR SUBSCRIPTIONS INAUGURATED BY THE SAN FRANCISCO CALL-BULLETIN   Submitted by @agentFin .

TO THE MEMORY OF GUGLIELMO MARCONI  ERECTED BY POPULAR SUBSCRIPTIONS INAUGURATED BY THE SAN FRANCISCO CALL-BULLETIN   Submitted by @agentFin .

  • san francisco
  • bay area
  • marconi
  • california
  • mayor