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

Allegheny County Courthouse and Jail

From the Flickr group Historical Markers, photo by sportsedit15224, full page.License is Attribution-NonCommercial-ShareAlike License

From the Flickr group Historical Markers, photo by sportsedit15224, full page.License is Attribution- NonCommercial-ShareAlike License

    Crosby Hall

    Crude oil experiments at Crosby Hall (@dartmouth ) helped lead to the early petroleum industry. Submitted by @LostToHistory

    Crude oil experiments at Crosby Hall (@dartmouth ) helped lead to the early petroleum industry. Submitted by @LostToHistory

      Dr. Jose P. Rizal Community Center

      “He visited places of interest and left the city at 8:25 p.m.” https://t.co/u3wMZcBWyr TweetSubmitted by @robertloerzel

      “He visited places of interest and left the city at 8:25 p.m.” https://t.co/u3wMZcBWyr TweetSubmitted by @robertloerzel

        Kiesling House

        @readtheplaque Kiesling House. New Ulm, MN #readtheplaque https://t.co/eWI2aAdW23 TweetSubmitted by @robblerouser

        @readtheplaque Kiesling House. New Ulm, MN #readtheplaque https://t.co/eWI2aAdW23 TweetSubmitted by @robblerouser

          New Ulm's Glockenspiel

          Submitted by @robblerouser

          Submitted by @robblerouser

            Antioch City Hall

            CITY HALL DEDICATED NOVEMBER 29 1980 TO THE CITIZENS OF ANTIOCH   CORNERSTONE CEREMONY NOV 29, 1980 GRAND LODGE FREE & ACCEPTED MASONS OF CALIFORNIA      

            CITY HALL DEDICATED NOVEMBER 29 1980 TO THE CITIZENS OF ANTIOCH   CORNERSTONE CEREMONY NOV 29, 1980 GRAND LODGE FREE & ACCEPTED MASONS OF CALIFORNIA    

              War Dog Memorial

              • war dog
              • egor

              Eugene Field

              IN DEDICATION TO EUGENE FIELD 1850-1895 THE CHILDREN'S POET "WYNKEN, BLYNKEN AND NOD" "THE DUEL" "LITTLE BOY BLUE" "WITH BIG TIN TRUMPET AND LITTLE RED DRUM MARCHING LIKE SOLDIERS. THE CHILDREN...

              IN DEDICATION TO EUGENE FIELD 1850-1895 THE CHILDREN'S POET "WYNKEN, BLYNKEN AND NOD" "THE DUEL" "LITTLE BOY BLUE" "WITH BIG TIN TRUMPET AND LITTLE RED DRUM MARCHING LIKE SOLDIERS. THE CHILDREN...

                Eureka Slope

                • coal
                • eureka

                A

                FROM 1860 TO 1906, THIS WAS THE LARGEST COAL MINING DISTRICT IN CALIFORNIA. FIVE TOWNS (NORTONVILLE, SOMERSVILLE, STEWARTSVILLE, JUDSONVILLE, AND WEST HARTLEY) GREW UP AROUND TWELVE MAJOR MINES....

                FROM 1860 TO 1906, THIS WAS THE LARGEST COAL MINING DISTRICT IN CALIFORNIA. FIVE TOWNS (NORTONVILLE, SOMERSVILLE, STEWARTSVILLE, JUDSONVILLE, AND WEST HARTLEY) GREW UP AROUND TWELVE MAJOR MINES....

                • ecv
                • coal
                • tailings
                • railroad beds
                • the towns are gone

                "Compy Copmomizzo" Municipal Fishing Pier

                U.E. "COMPY" COMPOMIZZO MUNICIPAL FISHING PIER "GET HOOKED ON FISHİNG.NOT DRUGS" DEDICATED THIS 4th DAY OF JULY, 2000    

                U.E. "COMPY" COMPOMIZZO MUNICIPAL FISHING PIER "GET HOOKED ON FISHİNG.NOT DRUGS" DEDICATED THIS 4th DAY OF JULY, 2000  

                  Jerome Waldie Plaza

                  JEROME WALDIE PLAZA IN APPRECIATION TO A NATIVE SON OF ANTIOCH FOR MANY YEARS OF DEDICATED PUBLIC SERVICE IN THE STATE LEGISLATURE AND U.S. CONGRESSOCTOBER 1988

                  JEROME WALDIE PLAZA IN APPRECIATION TO A NATIVE SON OF ANTIOCH FOR MANY YEARS OF DEDICATED PUBLIC SERVICE IN THE STATE LEGISLATURE AND U.S. CONGRESSOCTOBER 1988

                    All Wars Memorial

                    DEDICATED TO THE CONTRA COSTA COUNTY  ALL WARS MEMORIAL  BY THE GOLDEN GATE CHAPTER VETERANS OF THE BATTLE OF THE BULGE 11 NOVEMBER 1999 "LET WE FORGET"

                    DEDICATED TO THE CONTRA COSTA COUNTY  ALL WARS MEMORIAL  BY THE GOLDEN GATE CHAPTER VETERANS OF THE BATTLE OF THE BULGE 11 NOVEMBER 1999 "LET WE FORGET"

                    • battle of the bulge
                    • all wars

                    Brentwood Gateway

                      Livermore Masonic Building

                      MASONIC BUILDING BUILT 1909 MOSAIC LODGE 218 FREE AND ACCEPTED MASONS CITY OF LIVERMORE HISTORIC PRESERVATION HERITAGE SITE DEDICATED JULY 1996   Submitted by @jqmcd

                      MASONIC BUILDING BUILT 1909 MOSAIC LODGE 218 FREE AND ACCEPTED MASONS CITY OF LIVERMORE HISTORIC PRESERVATION HERITAGE SITE DEDICATED JULY 1996   Submitted by @jqmcd

                        Lord Forrest Memorial

                        Attached to the statue of early premier for Western Australia, John Forrest, the plaque details that the received title is incorrect thanks to a bureaucratic stuff up

                        Attached to the statue of early premier for Western Australia, John Forrest, the plaque details that the received title is incorrect thanks to a bureaucratic stuff up

                          Bilger Quarry

                          • oakland
                          • califorinia
                          • quarry
                          • bilger

                          Cambridge Apartments

                          • berkeley
                          • durant
                          • ratcliff jr
                          • ratcliff
                          • lineweaver

                          Berkeley Cal Recreational Sports Facility

                          Submitted by Miriam Allen

                          Submitted by Miriam Allen

                            The Winchell Trail

                            THE WINCHELL TRAIL  MARKED BY THIS BOULDER BROUGHT FROM THE MESABI IRON RANGE WAS NAMED IN HONOR OF THE EMINENT GEOLOGIST NEWTON HORACE WINCHELL WHOSE SCIENTIFIC STUDIES ALONG THIS RIVER PROVIDED...

                            THE WINCHELL TRAIL  MARKED BY THIS BOULDER BROUGHT FROM THE MESABI IRON RANGE WAS NAMED IN HONOR OF THE EMINENT GEOLOGIST NEWTON HORACE WINCHELL WHOSE SCIENTIFIC STUDIES ALONG THIS RIVER PROVIDED...