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

Civil War Capital

After the fall of Nashville Governor Isham Harris convened the Tennessee Legislature on this site February 20-March 20, 1862. The state archives were also stored here. Submitted from the Shelby...

After the fall of Nashville Governor Isham Harris convened the Tennessee Legislature on this site February 20-March 20, 1862. The state archives were also stored here. Submitted from the...

  • shelby county
  • tennessee

Cobalt Teletherapy Unit

COBALT TELETHERAPY UNIT APPAREIL DE TRAITEMENT AU COBALT In 1951 Canadian scientists, here and in London, Ontario opened a new front in the battle against cancer. Through a pioneering partnership,...

COBALT TELETHERAPY UNIT APPAREIL DE TRAITEMENT AU COBALT In 1951 Canadian scientists, here and in London, Ontario opened a new front in the battle against cancer. Through a pioneering...

  • saskatoon
  • saskatchewan
  • cancer
  • cobalt

Buffalo Soldier Legacy Plaza

BUFFALO SOLDIER LEGACY PLAZA DEDICATED 23 APRIL 2009  HONORING THE STAMINA, COURAGE, AND TENACITY OF SOLDIERS ASSIGNED TO THE  9TH CAVALRY REGIMENT  24TH INFANTRY REGIMENT 22ND INFANTRY...

BUFFALO SOLDIER LEGACY PLAZA DEDICATED 23 APRIL 2009  HONORING THE STAMINA, COURAGE, AND TENACITY OF SOLDIERS ASSIGNED TO THE  9TH CAVALRY REGIMENT  24TH INFANTRY REGIMENT 22ND...

  • buffalo solider
  • huachua
  • arizona

Spanish Public Well

SPANISH PUBLIC WELL  CONSTRUCTED PRIOR TO 1763 FILLED AND PARTIALLY DESTROYED DURING BRITISH OCCUPATION 1763-1784  RESTORED 1975 AS A BICENTENNIAL PROJECT OF: CITY OF ST. AUGUSTINE HISTORIC ST....

SPANISH PUBLIC WELL  CONSTRUCTED PRIOR TO 1763 FILLED AND PARTIALLY DESTROYED DURING BRITISH OCCUPATION 1763-1784  RESTORED 1975 AS A BICENTENNIAL PROJECT OF: CITY OF ST. AUGUSTINE HISTORIC ST....

  • st. augustine
  • florida
  • british occupation
  • 1763

1862 Post Office

On June 6, 1862, Memphis surrendered to Federal gunboats. The only resistance by citizens occurred here as a shot was fired at the soldiers hoisting the U.S. flag over the post office. Submitted...

On June 6, 1862, Memphis surrendered to Federal gunboats. The only resistance by citizens occurred here as a shot was fired at the soldiers hoisting the U.S. flag over the post office. Submitted...

  • shelby county
  • tennessee

First Baptist Church / Mt. Olive CME Church

The First Baptist Church was designed by architect R.H. Hunt and built in 1906. It is constructed of yellow bricks along a Georgian-architectural style. It housed a congregation of 2,200 members...

The First Baptist Church was designed by architect R.H. Hunt and built in 1906. It is constructed of yellow bricks along a Georgian-architectural style. It housed a congregation of 2,200...

  • shelby county
  • tennessee

Stephan C. Leonoudakis, Golden Gate Ferry Terminal

STEPHAN C. LEONOUDAKIS GOLDEN GATE FERRY TERMINAL  SAN FRANCISCO, CALIFORNIA  THIS GOLDEN GATE FERRY TERMINAL IS DEDICATED TO STEPHAN C. LEONOUDAKIS IN RECOGNITION OF HIS PIVOTAL ROLE IN...

STEPHAN C. LEONOUDAKIS GOLDEN GATE FERRY TERMINAL  SAN FRANCISCO, CALIFORNIA  THIS GOLDEN GATE FERRY TERMINAL IS DEDICATED TO STEPHAN C. LEONOUDAKIS IN RECOGNITION OF HIS PIVOTAL ROLE IN...

  • san francisco
  • california
  • bay area
  • ferry
  • loma prieta
  • marin

Take it Easy

"TAKE IT EASY"  MAJOR ARGRETT, JR. MEMORIAL  St. Augustine's Oldest and Most Beloved Carriage Driver Born: Nov. 11, 1888    Died: Dec 19, 1984, Age: 96 Tour Guide and Carriage Driver for 72...

"TAKE IT EASY"  MAJOR ARGRETT, JR. MEMORIAL  St. Augustine's Oldest and Most Beloved Carriage Driver Born: Nov. 11, 1888    Died: Dec 19, 1984, Age: 96 Tour Guide and Carriage Driver for...

    Los Angeles Central Library Lodwrick M. Cook Rotunda

    Coming out of my hotel in downtown Los Angeles, a building across the way got my attention. A rather elegant-looking low-rise structure in the midst of a lot of forgettable modern highrises. It...

    Coming out of my hotel in downtown Los Angeles, a building across the way got my attention. A rather elegant-looking low-rise structure in the midst of a lot of forgettable modern highrises. It...

    • california
    • los angeles
    • libraries
    • fires

    Lest We Forget

    Submitted by @mywolfson

    Submitted by @mywolfson

    • wwi
    • railroads
    • 1917
    • willard

    Merchant Hotel

    Merchant Hotel The Merchant Hotel was a miniature Japantown, brimming with children, a dentist, a doctor, and the Teikoku Mercantile Company, run since 1905 by the Matsushima family. After...

    Merchant Hotel The Merchant Hotel was a miniature Japantown, brimming with children, a dentist, a doctor, and the Teikoku Mercantile Company, run since 1905 by the Matsushima family....

    • portland
    • oregon
    • japantown
    • hotel
    • matshushima
    • japanese
    • internment
    • wwii
    • concentration camps

    Great Seal of Iowa

    In 1847, the Iowa Legislature passed a law creating a state seal. More on the wording of the law, which has caused a stir in the state Capitol in recent times, in a moment.  The straightforward...

    In 1847, the Iowa Legislature passed a law creating a state seal. More on the wording of the law, which has caused a stir in the state Capitol in recent times, in a moment.  The...

    • iowa
    • state mottos
    • des moines
    • state capitals

    George Hudson, M.P.

    GEORGE HUDSON, M.P.1800 - 1871  An Alderman and three times Lord Mayor of York, he became known as The Railway King for his work in bringing the railways to York.It was here that he had his...

    GEORGE HUDSON, M.P.1800 - 1871  An Alderman and three times Lord Mayor of York, he became known as The Railway King for his work in bringing the railways to York.It was here that he had...

    • the railway king
    • railroads
    • york
    • england

    An East Bay Native Fish: The Rainbow Trout

    One of the best things about living in the East Bay -- across the water from San Francisco -- is the regional park system here. The parks are full of surprises. In Redwood Regional Park, which...

    One of the best things about living in the East Bay -- across the water from San Francisco -- is the regional park system here. The parks are full of surprises. In Redwood Regional Park,...

    • fish
    • rainbow trout
    • oakland
    • east bay reg...

    New Sweden

    IN COMMEMORATION OF THE SWEDISH SETTLEMENTS ON THE DELAWARE 1638 - 1655  NEW SWEDEN Embrace within its boundaries the COMMONWEALTH OF PENNSYLVANIA And included lands on the WEST SIDE of the...

    IN COMMEMORATION OF THE SWEDISH SETTLEMENTS ON THE DELAWARE 1638 - 1655  NEW SWEDEN Embrace within its boundaries the COMMONWEALTH OF PENNSYLVANIA And included lands on the WEST SIDE of the...

    • pennsylvania
    • new sweden
    • capitalization
    • 1638

    The Mission of the U.S. Fish and Wildlife Service

    • shepherdstown
    • west virginia
    • wildlife
    • conservation

    In Appreciation of Senator Robert C. Byrd

    In Appreciation of Senator Robert C. Byrd  For his leadership and support in the development of a national center for conservation leadership enabling natural resource professionals to better...

    In Appreciation of Senator Robert C. Byrd  For his leadership and support in the development of a national center for conservation leadership enabling natural resource professionals to better...

    • shepherdstown
    • west virginia
    • wildlife
    • conservation
    • byrd

    John R. "Rick" Lemon Instructional West Building

    John R. "Rick" Lemon Instructional West Building  To honor and recognize the leadership and commitment of Rick Lemon, US Fish and Wildlife Service career employee and Director of the National...

    John R. "Rick" Lemon Instructional West Building  To honor and recognize the leadership and commitment of Rick Lemon, US Fish and Wildlife Service career employee and Director of the National...

    • shepherdstown
    • west virginia
    • wildlife
    • conservation

    The First Known Antiparticle

    Near this site, in August 1932, Carl David Anderson photographed the track of a cosmic-ray particle in his cloud chamber. He identified this particle as the positron -- the first known...

    Near this site, in August 1932, Carl David Anderson photographed the track of a cosmic-ray particle in his cloud chamber. He identified this particle as the positron -- the first...

    • pasadena
    • california
    • caltech
    • positron
    • anderson
    • cosmic ray a...

    Bilger Quarry

    • oakland
    • california
    • quarry
    • 1906