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

The German Society of Philadelphia

The oldest German American organization in the US was founded Dec. 26, 1764, in Philadelphia to provide legal aid, welfare, and language support to German immigrants. Its library, containing one...

The oldest German American organization in the US was founded Dec. 26, 1764, in Philadelphia to provide legal aid, welfare, and language support to German immigrants. Its library, containing...

  • immigration
  • philadelphia
  • german
  • library

Frank Furness

A nationally influential architect, his forceful designs and bold use of industrial materials helped shape American modernism. His works include the Pa. Academy of Fine Arts and U. of Penn...

A nationally influential architect, his forceful designs and bold use of industrial materials helped shape American modernism. His works include the Pa. Academy of Fine Arts and U. of...

  • philadelphia
  • architecture

Sir Christopher Wren

Submitted by @simontillo

Submitted by @simontillo

  • 1502
  • st. paul's cathedral
  • catherine of aragon

AIDS Library of Philadelphia

Submitted by Eli Anders (@elioanders) 

Submitted by Eli Anders (@elioanders) 

  • aids
  • lgbtq
  • philadelphia

East Boston Greenway

Submitted by @Ritterton

Submitted by @Ritterton

    Columbus in Galway

    ON THESE SHORES  AROUND 1477 THE  GENOESE SAILOR  CRISTOFORO  COLOMBO  FOUND SURE SIGNS  OF LAND BEYOND  THE ATLANTIC Submitted by @jackwidely

    ON THESE SHORES  AROUND 1477 THE  GENOESE SAILOR  CRISTOFORO  COLOMBO  FOUND SURE SIGNS  OF LAND BEYOND  THE ATLANTIC Submitted by @jackwidely

    • 1477
    • columbus
    • galway

    This Shore Line of San Francisco

    THIS SHORE LINE OF SAN FRANCISCO  BAY REACHED A POINT TWENTY-FIVE  FEET NORTHEASTERLY FROM THIS SPOT  AT THE TIME GOLD WAS DISCOVERED  BY JAMES W. MARSHALL AT COLOMA,  CALIFORNIA, JANUARY 24,...

    THIS SHORE LINE OF SAN FRANCISCO  BAY REACHED A POINT TWENTY-FIVE  FEET NORTHEASTERLY FROM THIS SPOT  AT THE TIME GOLD WAS DISCOVERED  BY JAMES W. MARSHALL AT COLOMA,  CALIFORNIA, JANUARY...

      Fenway Park

      Submitted by @Ritterton

      Submitted by @Ritterton

        To The Men of Trinity Who Gave Their Lives For Freedom and Humanity

        Submitted by @Ritterton

        Submitted by @Ritterton

          George Lincoln Richardson

          Submitted by @Ritterton

          Submitted by @Ritterton

          • verdun
          • machine gun
          • wwi
          • infantry
          • richardson

          Bristol Stock Exchange

          THIS TABLET WAS PLACED HERE BY THE  MEMBERS OF THE BRISTOL STOCK EXCHANGE  TO RECORD  THE GIFT OF THIS BUILDING  TO THE EXCHANGE  BY THEIR PRESIDENT  GEORGE WHITE  AUGUST 1903  Submitted by @theuncommon

          THIS TABLET WAS PLACED HERE BY THE  MEMBERS OF THE BRISTOL STOCK EXCHANGE  TO RECORD  THE GIFT OF THIS BUILDING  TO THE EXCHANGE  BY THEIR PRESIDENT  GEORGE WHITE  AUGUST 1903  Submitted by @theuncommon

            The Beginning of the Grand Army of the Republic

            Submitted by @Ritterton

            Submitted by @Ritterton

              Congressional Medal of Honor, WWI

              Submitted by @Ritterton

              Submitted by @Ritterton

                WWI Chaplains

                WHERE SHELLS BURST AND MEN FELL BROKEN AND BLEEDING THEY CALMLY ADMINISTERED HEROIC WITNESS TO THE POWER OF THE FAITH THEY PREACHED ERECTED BY THE COMMONWEALTH TO COMMEMORATE THE SERVICE OF ITS...

                WHERE SHELLS BURST AND MEN FELL BROKEN AND BLEEDING THEY CALMLY ADMINISTERED HEROIC WITNESS TO THE POWER OF THE FAITH THEY PREACHED ERECTED BY THE COMMONWEALTH TO COMMEMORATE THE SERVICE OF...

                  United States 8th Army Air Force

                  UNITED STATES  8TH ARMY AIR FORCE  IN HONOR OF THE MEN AND WOMEN  OF MASSACHUSETTS WHO SERVED  1942 1945  IN THE LONG DARK YEARS, THE TRIALS,  THE TRIBULATIONS BEFORE THEM  UNDAUNTED THEY...

                  UNITED STATES  8TH ARMY AIR FORCE  IN HONOR OF THE MEN AND WOMEN  OF MASSACHUSETTS WHO SERVED  1942 1945  IN THE LONG DARK YEARS, THE TRIALS,  THE TRIBULATIONS BEFORE THEM  UNDAUNTED THEY...

                  • shields of s...
                  • the long dark years
                  • united not i...