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

Boatyard Archaeology

Boatyard Archaeology   This spot marks the location of the Dubuque Boat and Boiler Works storage sheds used for pipe, paint and rivets.   An open shed for hot iron rolls was next door.  Originally...

Boatyard Archaeology   This spot marks the location of the Dubuque Boat and Boiler Works storage sheds used for pipe, paint and rivets.   An open shed for hot iron rolls was next door.  Originally...

    USS Michigan

    U.S.S. Michigan   An 1818 Treaty allows the United States and Canada to each maintain one warship of limited armament on the Great Lakes.  For most of a century the U.S.S. MICHIGAN served as the...

    U.S.S. Michigan   An 1818 Treaty allows the United States and Canada to each maintain one warship of limited armament on the Great Lakes.  For most of a century the U.S.S. MICHIGAN served as the...

      Manistee Library

      MANISTEE CITY LIBRARY   In 1885 a group of Manistee ladies formed the Lakeside Club, whose primary goal was to create a library.  In 1902 the club joined forces with the local literacy society and...

      MANISTEE CITY LIBRARY   In 1885 a group of Manistee ladies formed the Lakeside Club, whose primary goal was to create a library.  In 1902 the club joined forces with the local literacy society and...

        Damage Repaired

        DAMAGE REPAIRED AND REDEDICATED JULY 4, 1989   THIS PROPERTY IS LISTED IN THE NATIONAL REGISTER OF HISTORIC PLACES THE SCOTT COUNTY HISTORIC PRESERVATION SOCIETY, INC.   Submitted by Bryan Arnold...

        DAMAGE REPAIRED AND REDEDICATED JULY 4, 1989   THIS PROPERTY IS LISTED IN THE NATIONAL REGISTER OF HISTORIC PLACES THE SCOTT COUNTY HISTORIC PRESERVATION SOCIETY, INC.   Submitted by Bryan Arnold...

          Field of Dreams Movie Site

          Original Field of Dreams Movie Site   Submitted by Bryan Arnold @nanowhiskers  

          Original Field of Dreams Movie Site   Submitted by Bryan Arnold @nanowhiskers

            Day's Bridge Summit

            [Location approximate]

            [Location approximate]

            • washington
            • george washington
            • revolutionary war
            • 1780

            Mt. Washington

            THE HIGHEST WIND EVERY OBSERVED BY MAN WAS RECORDED HERE  FROM 1932 TO 1937 THE MT. WASHINGTON OBSERVATORY WAS OPERATED IN THE SUMMIT STAGE OFFICE THEN OCCUPYING THIS SITE. IN A GREAT STORM APRIL...

            THE HIGHEST WIND EVERY OBSERVED BY MAN WAS RECORDED HERE  FROM 1932 TO 1937 THE MT. WASHINGTON OBSERVATORY WAS OPERATED IN THE SUMMIT STAGE OFFICE THEN OCCUPYING THIS SITE. IN A GREAT STORM APRIL...

            • new hampshire
            • white mountain
            • windy
            • 1934

            First Honeybees in California

            First Honeybees in California Here, on the 1,939-acre Rancho Potrero de Santa Clara, Christopher A. Shelton in early March 1853 in-troduced the honeybee to California. In Aspinwall, Panama,...

            First Honeybees in California Here, on the 1,939-acre Rancho Potrero de Santa Clara, Christopher A. Shelton in early March 1853 in- troduced the honeybee to California. In Aspinwall, Panama,...

            • san jose
            • california
            • honeybees
            • bongo
            • beekeeping
            • bees
            • arbuckle

            Barry Residence

            Circa 1832, Thomas L. Moody built a double-log cabin on this land. In 1899 Squire John Lafayette Coopwood, a planter, and his wife, Amoranda Louetta, purchased the property. In 1924, the couple's...

            Circa 1832, Thomas L. Moody built a double-log cabin on this land. In 1899 Squire John Lafayette Coopwood, a planter, and his wife, Amoranda Louetta, purchased the property. In 1924, the couple's...

            • shelby county
            • tennessee

            Isaac Hayes

            In the 1970s Hayes was a multiple gold and platinum-selling recording star. His recording of "Shaft" won an Oscar, Golden Globe, and three Grammy awards. He wrote or co-wrote over 200 songs for...

            In the 1970s Hayes was a multiple gold and platinum-selling recording star. His recording of "Shaft" won an Oscar, Golden Globe, and three Grammy awards. He wrote or co-wrote over 200 songs for...

            • shelby county
            • tennessee

            The Old Hobart Town Gaol

            From instagramSubmitted by @littlebobbyplaqueson

            From instagramSubmitted by @littlebobbyplaqueson

              Lewis & Clark Trail

              • lewis and clark
              • oregon

              Contoocook Railroad Bridge and Depot

              Contoocook Railroad Bridge and DepotBuilt in 1889 on the granite abutments of an older span, this is the world's oldestsurviving covered railroad bridge. It was probably designed by Boston &...

              Contoocook Railroad Bridge and DepotBuilt in 1889 on the granite abutments of an older span, this is the world's oldestsurviving covered railroad bridge. It was probably designed by Boston...

              • contoocook
              • railroad bridge
              • depot
              • new hampshire

              Nanton Air Museum

              NANTON AIR MUSEUM  Dedicated to the men and women who served the Allied Air Forces in so many ways during World War II. "An example of duty nobly done." -- Winston S. Churchill PER ARDUA AD ASTRA...

              NANTON AIR MUSEUM  Dedicated to the men and women who served the Allied Air Forces in so many ways during World War II. "An example of duty nobly done." -- Winston S. Churchill PER ARDUA AD ASTRA...

              • nanton
              • wwii
              • air forces
              • churchill

              Harney Peak Lookout

              HARNEY PEAK LOOKOUT THE HARNEY PEAK FIRE LOOKOUT, DAM AND PUMPHOUSE WERE BUILT BY THE CCC IN 1939 AND ARE LISTED IN THE NATIONAL REGISTER OF HISTORIC PLACES. HARNEY PEAK ELEVATION IS 2207 METERS...

              HARNEY PEAK LOOKOUT THE HARNEY PEAK FIRE LOOKOUT, DAM AND PUMPHOUSE WERE BUILT BY THE CCC IN 1939 AND ARE LISTED IN THE NATIONAL REGISTER OF HISTORIC PLACES. HARNEY PEAK ELEVATION IS 2207 METERS...

              • harney
              • pumphouse
              • dam
              • lookout
              • south dakota
              • ccc
              • 1939

              Crowsnest Pass / Frank Slide / Bellevue Mine Explosion / Hillcrest Mine Disaster

              Submitted by @robertdall

              Submitted by @robertdall

                Clark Memorial Bench

                Clark Memorial Bench Donated to the city of Alameda in 1920 by Park Avenue resident Isabella Derby Clark, this concrete bench was designed by Myrtle Maillot. Mrs. Clark was a proponent of animal...

                Clark Memorial Bench Donated to the city of Alameda in 1920 by Park Avenue resident Isabella Derby Clark, this concrete bench was designed by Myrtle Maillot. Mrs. Clark was a proponent of animal...

                • alameda
                • bench
                • animals
                • jim morrison

                Evermay

                “Evermay” Samuel Davidson, a Scot of original character, purchased the site and built Evermay 1792-1794 with proceeds of the sale of lands he owned which include part of the present site of the...

                “Evermay” Samuel Davidson, a Scot of original character, purchased the site and built Evermay 1792-1794 with proceeds of the sale of lands he owned which include part of the present site of the...

                • colonial america
                • georgetown
                • home
                • washington
                • dc

                Ramsdell Theater

                Ramsdell Theater Thomas Jefferson Ramsdell -- pioneer lawyer, state legislator and civic leader -- built this theater between 1902 and 1903. Many traveling companies played here and praised the...

                Ramsdell Theater Thomas Jefferson Ramsdell -- pioneer lawyer, state legislator and civic leader -- built this theater between 1902 and 1903. Many traveling companies played here and praised...

                  The Aarons Building

                  The Aarons Building   Year Built: 1908 Architect: Unknown First Owner: Harry J. Aarons Building: Unknown Style: Neo Classical Revival Address: 359-361 River Street   The Aarons Building is the...

                  The Aarons Building   Year Built: 1908 Architect: Unknown First Owner: Harry J. Aarons Building: Unknown Style: Neo Classical Revival Address: 359-361 River Street   The Aarons Building is the...