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

First Ship to Enter San Francisco Bay

The first ship to enter San Francisco Bay, the San Carlos (Capt. Ayala), dropped anchor off this point August 5, 1775. Lieut.-Colonel Don Juan Bautista de Anza planted the cross on Cantil Blanco...

The first ship to enter San Francisco Bay, the San Carlos (Capt. Ayala), dropped anchor off this point August 5, 1775. Lieut.-Colonel Don Juan Bautista de Anza planted the cross on Cantil Blanco...

  • san francisco
  • california
  • fort point
  • us army
  • fort
  • pacific ocean
  • san francisco bay
  • bay area
  • dar
  • daughters of...

Clisby Austin House

  • georgia
  • civil war
  • sherman
  • mcpherson

Used for Shipping Lumber and Supplies

This is the approximate site of the first wharf authorized by the townof Oakland and constructed by Horace W. Carpentier at the foot of Main Street (now Broadway) in 1852.The wharf was used for...

This is the approximate site of the first wharf authorized by the townof Oakland and constructed by Horace W. Carpentier at the foot of Main Street (now Broadway) in 1852.The wharf was used...

  • jack london square
  • oakland
  • bay area
  • california

Indians Ceded the Lands from Point Pully to the British Boundary

 1855 - 1930 AT THIS PLACE ON JANUARY 22, 1855GOVERNOR ISAAC I. STEVENSCONCLUDED THE TREATY BY WHICH THEINDIANS CEDED THE LANDS FROM POINT PULLY TO THE BRITISH BOUNDARY. OF THE ONE HUNDRED...

 1855 - 1930 AT THIS PLACE ON JANUARY 22, 1855GOVERNOR ISAAC I. STEVENSCONCLUDED THE TREATY BY WHICH THEINDIANS CEDED THE LANDS FROM POINT PULLY TO THE BRITISH BOUNDARY. OF THE ONE...

  • washington
  • mukilteo
  • indians

Key System Building

This Property The Key System Building has been placed on the National Register of Historic Places by the United States Department of the Interior. Image by LocalWiki contributors from Key_System_Building.

This Property The Key System Building has been placed on the National Register of Historic Places by the United States Department of the Interior. Image by LocalWiki contributors from Key_System_Building.

    Fluchttunnel: Tunnel 57

    Fluchttunnel "Tunnel 57" 1964   The most successful escape tunnel from East to West Berlin during the height of the cold war. 99 PI episode

    Fluchttunnel "Tunnel 57" 1964   The most successful escape tunnel from East to West Berlin during the height of the cold war. 99 PI episode

    • berlin
    • berlin wall
    • cold war
    • 99pi

    Golden Gate Library bell

    This isn't as much a plaque as a bell on display in front of the Golden Gate Branch of the Oakland Public Library. It reads: This bell was cast by Louis DeRome and presented to Oakland Fire...

    This isn't as much a plaque as a bell on display in front of the Golden Gate Branch of the Oakland Public Library. It reads: This bell was cast by Louis DeRome and presented to Oakland...

    • oakland
    • library
    • golden gate
    • bell
    • 1905
    • fire department

    The Defense of the Alamo

    THE DEFENSE OF THE ALAMO "THERMOPYLAE HAD ITS MESSENGER OF DEFEAT;THE ALAMO HAD NONE" THE ALAMO IN 1836 CONSISTED OF THIS CHURCH, THECONVENTS AND A LARGE RECTANGULAR AREA OR PLAZA,AN ENCLOSURE OF...

    THE DEFENSE OF THE ALAMO "THERMOPYLAE HAD ITS MESSENGER OF DEFEAT;THE ALAMO HAD NONE" THE ALAMO IN 1836 CONSISTED OF THIS CHURCH, THECONVENTS AND A LARGE RECTANGULAR AREA OR PLAZA,AN ENCLOSURE...

    • texas
    • alamo
    • defense
    • defeat

    Kepler Spacecraft Plaque

    A plaque on the body of the Kepler Spacecraft listing many of the people involved in the project

    A plaque on the body of the Kepler Spacecraft listing many of the people involved in the project

    • space
    • kepler
    • exoplanet

    In Memory of Cadet Chester F. M. Buchanan

    "In Memory of Cadet Chester F. M. Buchanan United States Army Air Corps 1910 - 1934 Erected 9 - 56"

    "In Memory of Cadet Chester F. M. Buchanan United States Army Air Corps 1910 - 1934 Erected 9 - 56"

    • berkeley
    • california
    • bay area
    • air corps

    Citizen John

    John Breaux 1951-2009 Dedicated to the memory of John Breaux by the people of this community for his kind smile and wave, his dedication to the environment, his desire to help others, and his gift...

    John Breaux 1951-2009 Dedicated to the memory of John Breaux by the people of this community for his kind smile and wave, his dedication to the environment, his desire to help others, and his gift...

    • john breaux
    • louisville
    • colorado

    Easter Island Cumulative Impact

    Plaque encouraging the protection of the Easter Island moai.

    Plaque encouraging the protection of the Easter Island moai.

    • easter island
    • moai

    Swedish Merchant Seamen's War Memorial

    Swedish Merchant Seamen's War Memorial Although Sweden was non-belligerent during the Second World War, some 200 Swedish merchant vessels were lost. Approximately 2000 Swedish merchant seamen were...

    Swedish Merchant Seamen's War Memorial Although Sweden was non-belligerent during the Second World War, some 200 Swedish merchant vessels were lost. Approximately 2000 Swedish merchant seamen...

    • sweden
    • wwii

    Who With Insulin Was Restored To Heatlh

    NEAR THIS SPOT ON AUGUST 7, 1922, DR. HOWARD F. ROOT, IN THE PRESENCE OF DR. ELLIOTT P. JOSLINAND OTHERS, GAVE THE FIRST INJECTION OF INSULIN IN NEWENGLAND. THE PATIENT WAS MISSELIZABETH MUDGE,...

    NEAR THIS SPOT ON AUGUST 7, 1922, DR. HOWARD F. ROOT, IN THE PRESENCE OF DR. ELLIOTT P. JOSLINAND OTHERS, GAVE THE FIRST INJECTION OF INSULIN IN NEWENGLAND. THE PATIENT WAS MISSELIZABETH...

    • boston
    • massachusetts
    • insulin
    • diabetes
    • elizabeth mudge

    Hannah Dustin Memorial in Boscawen, NH

    Hannah Dustin Memorial in Boscawen, NH, referenced in the podcast 99% Invisible, Episode 113 "Monumental Dilemma".   The inscription reads: March 15  1697  30 The War Whoop Tomahawk Faggot &...

    Hannah Dustin Memorial in Boscawen, NH, referenced in the podcast 99% Invisible, Episode 113 "Monumental Dilemma".   The inscription reads: March 15  1697  30 The War Whoop Tomahawk Faggot...

    • 99pi
    • hannah dustin
    • new hampshire

    Mat-su Giants

    Sculptures of the world-record vegetables grown in the Matanuska Valley in 2009.

    Sculptures of the world-record vegetables grown in the Matanuska Valley in 2009.

    • mat-su
    • palmer
    • alaska
    • vegetables
    • sculpture

    Samuel Plimsoll

    [plimsoll circle] SAMUEL PLIMSOLL BORN 1824 - DIED 1898 ERECTED BY THE MEMBERS OF THE NATIONAL UNION OF SEAMEN. IN GRATEFUL RECOGNITION FOR HIS SERVICES TO THE MEN OF THE SEA. (location...

    [plimsoll circle] SAMUEL PLIMSOLL BORN 1824 - DIED 1898 ERECTED BY THE MEMBERS OF THE NATIONAL UNION OF SEAMEN. IN GRATEFUL RECOGNITION FOR HIS SERVICES TO THE MEN OF THE SEA....

    • london
    • plimsoll
    • 99pi
    • england

    George Washington Patterson Ranch

       At Ardenwood Farm:   "THIS PROPERTY, THE GEORGE WASHINGTONPATTERSON RANCH HAS BEEN PLACED ON THE NATIONAL REGISTEROF HISTORIC PLACES BY THE UNITED STATESDEPARTMENT OF THE INTERIORNOVEMBER 23, 1985"

       At Ardenwood Farm:   "THIS PROPERTY, THE GEORGE WASHINGTONPATTERSON RANCH HAS BEEN PLACED ON THE NATIONAL REGISTEROF HISTORIC PLACES BY THE UNITED STATESDEPARTMENT OF THE INTERIORNOVEMBER 23, 1985"

    • bay area
    • farm
    • ardenwood
    • corn
    • patterson
    • george washington
    • ranch

    Olga Strawberry Plant

    "OLGA STRAWBERRY BARRELING PLANT Est. 1938 by Glen Rodenberger" More details More information

    "OLGA STRAWBERRY BARRELING PLANT Est. 1938 by Glen Rodenberger" More details More information

    • olga
    • washington
    • strawberry
    • barrelling

    Nakashima Barn

    "Nakashima Barn Northend Trailhead,Centenial Trail Dedicated November 3, 2012" The site of a barn owned by the Nakashima family, which had Washington state’s first registered Guernsey cows. The...

    "Nakashima Barn Northend Trailhead,Centenial Trail Dedicated November 3, 2012" The site of a barn owned by the Nakashima family, which had Washington state’s first registered Guernsey cows. The...

    • internment
    • barn
    • wwii
    • concentration camps