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

To Caulk His Shallop

  "1630 - 1930 SAMUEL DE CHAMPLAIN --- IN SEPTEMBER, 1606, SAMUELDE CHAMPLAIN LANDED AT ROCKYNECK IN WHAT IS NOW GLOUCESTERHARBOR, TO CAULK HIS SHALLOP,AND MADE AN ACCURATE CHARTOF THE HARBOR...

  "1630 - 1930 SAMUEL DE CHAMPLAIN --- IN SEPTEMBER, 1606, SAMUELDE CHAMPLAIN LANDED AT ROCKYNECK IN WHAT IS NOW GLOUCESTERHARBOR, TO CAULK HIS SHALLOP,AND MADE AN ACCURATE CHARTOF THE HARBOR...

  • champlain
  • 1606
  • gloucester
  • le beauport
  • massachusetts
  • shallop

El Camino Rancho San Antonio

Tiny, easy-to-miss plaque at the corner of MacArthur and Broadway in Oakland, at the northeast corner of Mosswood Park. EL CAMINORANCHO SAN ANTONIO ABOUT 1820, ALONG THIS ROUTERAN THE EARLIEST...

Tiny, easy-to-miss plaque at the corner of MacArthur and Broadway in Oakland, at the northeast corner of Mosswood Park. EL CAMINORANCHO SAN ANTONIO ABOUT 1820, ALONG THIS ROUTERAN THE EARLIEST...

  • oakland
  • california
  • bay area
  • el camino rancho
  • san antonio

William Austin Burt

"WILLIAM AUSTIN BURT Near this site lived William Austin Burt, Inventor, legislator, surveyor and millwright. [...]" "America's first patented typewriter was constructed by William Austin Burt in...

"WILLIAM AUSTIN BURT Near this site lived William Austin Burt, Inventor, legislator, surveyor and millwright. [...]" "America's first patented typewriter was constructed by William Austin Burt in...

  • michigan
  • compass
  • typewriter
  • mill
  • meridian
  • todo
  • canal

Weathervane Horse

"Weathervane horses have been a fixture on American farms, homes, and buildings for centuries. Indicating wind direction, these weathervanes were a primitive but effective tool for weather...

"Weathervane horses have been a fixture on American farms, homes, and buildings for centuries. Indicating wind direction, these weathervanes were a primitive but effective tool for weather...

  • florida
  • orange county
  • weathervane
  • horse

Iron Brigade

"Composed of infantry regiments from Indiana, Wisconsin, and Michigan, the Iron Brigade fought with Army of the Potomac during the Civil War (1861-1865). Received name for valor at battle of South...

"Composed of infantry regiments from Indiana, Wisconsin, and Michigan, the Iron Brigade fought with Army of the Potomac during the Civil War (1861-1865). Received name for valor at battle of South...

  • iron brigade
  • porter county
  • indiana
  • civil war
  • army of the potomac
  • battle of so...
  • us 20

Indiana State Police Dunes Park Post #1

'On this site stood the former Dunes Park District Headquarters of the Indiana State Police. The two-story, brick facility was constructed and opened in 1937 as part of the federal WPA (Works...

'On this site stood the former Dunes Park District Headquarters of the Indiana State Police. The two- story, brick facility was constructed and opened in 1937 as part of the federal WPA (Works...

  • indiana
  • indiana state police
  • police
  • wpa
  • us 20
  • dunes park
  • bloody 20
  • fdr

Le Petit Fort

"At Le Petit Fort, near this site, a battle was fought on December 5, 1780 between American forces under command of Lt. Thomas Brady and Jean Baptiste Hamelin and British forces under command of...

"At Le Petit Fort, near this site, a battle was fought on December 5, 1780 between American forces under command of Lt. Thomas Brady and Jean Baptiste Hamelin and British forces under command of...

  • le petit fort
  • indiana dunes
  • indiana dune...
  • american revolution
  • revolutionary war
  • battle
  • daughters of...
  • lake michigan

Muir Woods Cathedral Grove United Nations Meeting

Here in this grove of enduring redwoods, preserved for posterity, members of the United Nations Conference on International Organization met on May 19, 1945 to honor the memory of Franklin Delano...

Here in this grove of enduring redwoods, preserved for posterity, members of the United Nations Conference on International Organization met on May 19, 1945 to honor the memory of Franklin Delano...

  • muir woods
  • roosevelt
  • california
  • united nations
  • wwii
  • fdr
  • franklin roosevelt
  • un
  • cathedral grove

Scale Model of Michigan's First State Capitol

A tiny model of Michigan's first State Capitol, on the original site, which is now Capitol Park. This tiny slliver of a park is ground zero for Detroit's current rennaissance. The park is in good...

A tiny model of Michigan's first State Capitol, on the original site, which is now Capitol Park. This tiny slliver of a park is ground zero for Detroit's current rennaissance. The park is in good...

  • detroit
  • capitol park
  • model
  • capitol
  • michigan

Acequia at the Alamo

ACEQUIA OR IRRIGATION DITCHPART OF THE ORIGINAL ACEQUIABUILT TO SUPPLY FARMS AND THEMISSION SAN ANTONIO DEL VALERO Submitted by Rob Sweeney

ACEQUIA OR IRRIGATION DITCHPART OF THE ORIGINAL ACEQUIABUILT TO SUPPLY FARMS AND THEMISSION SAN ANTONIO DEL VALERO Submitted by Rob Sweeney

  • alamo
  • texas
  • irrigation
  • acequia

On the Banks of Plum Creek

Sign at the site of Laura Ingalls Wilder's Plum Creek dugout: "LAURA'S DUGOUT HOMEON THE BANKS OF PLUM CREEK THE CHARLES INGALLS FAMILY'S DUGOUT HOMEWAS LOCATED HERE IN THE 1870s. THIS...

Sign at the site of Laura Ingalls Wilder's Plum Creek dugout: "LAURA'S DUGOUT HOMEON THE BANKS OF PLUM CREEK THE CHARLES INGALLS FAMILY'S DUGOUT HOMEWAS LOCATED HERE IN THE 1870s....

  • creek
  • plum creek
  • ingalls
  • little house
  • prarie

An International Incident

AN INTERNATIONAL INCIDENT OCCURRED HERE * 1850 GENERAL HAYNAU"THE AUSTRIAN BUTCHER"WAS RECOGNISED AND ATTACKEDBY BARCLAY & PERKINSDRAYMEN

AN INTERNATIONAL INCIDENT OCCURRED HERE * 1850 GENERAL HAYNAU"THE AUSTRIAN BUTCHER"WAS RECOGNISED AND ATTACKEDBY BARCLAY & PERKINSDRAYMEN

  • london
  • butcher
  • austria
  • draymen
  • incident

Judah Transcontinental Railroad

THAT THE WESTMAY REMEMBER THEODORE DEHONE JUDAH, PIONEER, CIVIL ENGINEER, AND TIRELESS ADVOCATEOF A GREAT TRANSCONTINENTAL RAILROAD --AMERICA'S FIRST-- THIS MONUMENT WAS ERECTED BY THE MEN AND...

THAT THE WESTMAY REMEMBER THEODORE DEHONE JUDAH, PIONEER, CIVIL ENGINEER, AND TIRELESS ADVOCATEOF A GREAT TRANSCONTINENTAL RAILROAD --AMERICA'S FIRST-- THIS MONUMENT WAS ERECTED BY THE MEN...

  • train
  • sacramento
  • practicable
  • railroad

Sacramento Engine Co. No. 3

Sacramento Engine Co. No. 3 Organized March 27, 1851 This original building built inJune 1853, housed SacramentoEngine Co. No. 3. In 1921 thebuiding was abandoned as a firehouse. It was restored...

Sacramento Engine Co. No. 3 Organized March 27, 1851 This original building built inJune 1853, housed SacramentoEngine Co. No. 3. In 1921 thebuiding was abandoned as a firehouse. It was restored...

  • sacramento
  • fire
  • engine
  • fire deparment

Tecumseh Trail

"Tecumseh Trail Used by Indian tribes and often traveled by Chief Tecumseh prior to defeat of his warriors by Gen. William Henry Harrison at the Battle of Tippecanoe on November 7, 1811."  ...

"Tecumseh Trail Used by Indian tribes and often traveled by Chief Tecumseh prior to defeat of his warriors by Gen. William Henry Harrison at the Battle of Tippecanoe on November 7, 1811."...

  • lafayette
  • west lafayette
  • tippecanoe county
  • indiana
  • tecumseh
  • william henr...
  • battle of tippecanoe
  • wabash river

The William Parsons House

THE WILLIAM PARSONS HOUSE In memory of Lt. William Parsons 1690-1768 William (Bill) Parsons 1933-1986 and Those Historic Homes Destroyed Or Lost In The Name Of Progress This building is a one-half...

THE WILLIAM PARSONS HOUSE In memory of Lt. William Parsons 1690-1768 William (Bill) Parsons 1933-1986 and Those Historic Homes Destroyed Or Lost In The Name Of Progress This building is a one-half...

  • house
  • progress
  • scale
  • massachusetts
  • northampton

Collyer Park

COLLYER PARK - 1871 This is one of three parks shown on the original square-mile plot of Longmont. It is named for Robert Collyer, Chicago minister, temperance leader and president of the...

COLLYER PARK - 1871 This is one of three parks shown on the original square-mile plot of Longmont. It is named for Robert Collyer, Chicago minister, temperance leader and president of...

  • longmont
  • chicago
  • collyer
  • arbor day

Texas Historical Commission: Hilton Hotel

Hilton Hotel Designed by the Architectural Firm of Lang and Witchell, this hotel was built in 1925 for Conrad Hilton and was the first to bear the Hilton name. The hotel advertised comfortable...

Hilton Hotel Designed by the Architectural Firm of Lang and Witchell, this hotel was built in 1925 for Conrad Hilton and was the first to bear the Hilton name. The hotel advertised...

  • texas
  • hilton
  • hotel

Refining Crude Oil - Samuel Kier's Still

 In downtown Pittsburgh, at the corner of Grant St and 7th Ave appears this plaque. Samuel Kier developed a process to refine crude oil into kerosene for lamp fuel. "Near this site in the 1850s...

 In downtown Pittsburgh, at the corner of Grant St and 7th Ave appears this plaque. Samuel Kier developed a process to refine crude oil into kerosene for lamp fuel. "Near this site in the 1850s...

    "Hubbard's Folly"

    "Hubbard's Folly" On this site about 1834, Gurdon S. Hubbard built Chicago's first warehouse for storing pork and other pioneer produce. Because of its size and substantial construction, early...

    "Hubbard's Folly" On this site about 1834, Gurdon S. Hubbard built Chicago's first warehouse for storing pork and other pioneer produce. Because of its size and substantial construction,...

    • chicago
    • illinois
    • hubbard's folly
    • gurdon s hubbard
    • chicago river
    • riverwalk
    • wacker drive