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

Marquis de Lafayette

From this spot on July 26 1823, Marquis de LaFayette reviewed the troops escorting him from a visit to the Brandywine battle-field

From this spot on July 26 1823, Marquis de LaFayette reviewed the troops escorting him from a visit to the Brandywine battle-field

  • west chester pa
  • brandywine
  • marquis de lafayette

Top 10 U.S. Dog Park

Ohlone Dog Park, apparently 'widely considered the world's first dog park' (link) (location approximate)

Ohlone Dog Park, apparently 'widely considered the world's first dog park' (link) (location approximate)

  • berkeley
  • dog
  • park
  • dog park
  • bay area

Don Allen Blair

"CITY OF EMERYVILLE DEDICATED IN THE MEMORY OF DON ALLEN BLAIR A RESPECTED PUBLIC WORKS EMPLOYEE MARCH 9, 195 - SEPTEMBER 7, 1996"

"CITY OF EMERYVILLE DEDICATED IN THE MEMORY OF DON ALLEN BLAIR A RESPECTED PUBLIC WORKS EMPLOYEE MARCH 9, 195 - SEPTEMBER 7, 1996"

  • emeryville
  • public works
  • bay area

Hamlet's Castle

Kronborg Castle in Helsingor, Denmark. Hamlet's castle.   "Legend tells of a king's son, Amleth, who lived in Jutland during Viking times.  Saxo wrote down his saga in the Middle Ages....

Kronborg Castle in Helsingor, Denmark. Hamlet's castle.   "Legend tells of a king's son, Amleth, who lived in Jutland during Viking times.  Saxo wrote down his saga in the Middle...

  • hamlet
  • shakespeare
  • castle

Wild Bill Hickock Shoot-Out Marker

Here James Butler, ""Wild Bill" Hickok stood when he shot Dave Tutt, July 21,1865 over a gambling debt. Tutt fell 75 yards to the northwest. Erected July 1, 1975

Here James Butler, ""Wild Bill" Hickok stood when he shot Dave Tutt, July 21,1865 over a gambling debt. Tutt fell 75 yards to the northwest. Erected July 1, 1975

  • wild bill
  • #wildbill
  • hickok
  • shoot out
  • shoot-out
  • shootout

Berkeley Botanical Garden Redwood Grove

"Stephen Tyng MatherJuly 4, 1867 - Jan 22, 1930 He laid the foundations of the National Park Service, defining and establishing the policies under which its areas shall be developed and conserved...

"Stephen Tyng MatherJuly 4, 1867 - Jan 22, 1930 He laid the foundations of the National Park Service, defining and establishing the policies under which its areas shall be developed and...

  • berkeley
  • bay area
  • redwoods
  • mather

Forbes Island

Artificial island and restaurant currently moored off Pier 41 in San Francisco "'Don't miss the 360-degree view from the top of the lighthouse, it may be the best-- and the most unusual-- vantage...

Artificial island and restaurant currently moored off Pier 41 in San Francisco "'Don't miss the 360-degree view from the top of the lighthouse, it may be the best-- and the most unusual--...

  • san francisco
  • bay area
  • island
  • thor
  • kiddoo

Emily Dickinson House

"The home of Emily Dickinson has been designated a Registered National Historic Landmark under the provisions of the Historic Sites Act of August 21, 1935. This site possesses exceptional value in...

"The home of Emily Dickinson has been designated a Registered National Historic Landmark under the provisions of the Historic Sites Act of August 21, 1935. This site possesses exceptional value...

  • amherst
  • massachusetts
  • dickinson

Melvinia Shields

"MELVINIA SHIELDS 1844 -- 1938 THIS MEMORIAL MARKS THE GRAVE OF MELVINIA 'MATTIE' SHIELDS McGRUDER SHE WAS BORN A SLAVE IN SOUTH CAROLINA IN 1844. AT AGE 8 SHE WAS BROUGHT TO THE SHIELDS FARM NEAR...

"MELVINIA SHIELDS 1844 -- 1938 THIS MEMORIAL MARKS THE GRAVE OF MELVINIA 'MATTIE' SHIELDS McGRUDER SHE WAS BORN A SLAVE IN SOUTH CAROLINA IN 1844. AT AGE 8 SHE WAS BROUGHT TO THE SHIELDS FARM...

  • gravestone
  • grave marker
  • grave
  • shields
  • obama

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