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

Birthplace of Cooperative Extension

In 1903, the nation's first cooperative agricultural extension program was launched when Iowa State professor Perry Holden, a group of farmers in Sioux County, and the county's board of...

In 1903, the nation's first cooperative agricultural extension program was launched when Iowa State professor Perry Holden, a group of farmers in Sioux County, and the county's board...

    World's Hardiest Roses

    Revered by rose lovers, legendary Iowa State University horticulturist Griffith Buck developed more than 90 rose varieties from the late 1940s to his retirement in 1985. His roses are considered...

    Revered by rose lovers, legendary Iowa State University horticulturist Griffith Buck developed more than 90 rose varieties from the late 1940s to his retirement in 1985. His roses are...

      Finest Blue Cheese

      Iowa State is home to the process that produces the world's finest blue cheese. In 1937, Iowa State dairy microbiology professors Clarence Lane and Bernard Hammer developed a blue cheese process...

      Iowa State is home to the process that produces the world's finest blue cheese. In 1937, Iowa State dairy microbiology professors Clarence Lane and Bernard Hammer developed a blue cheese...

        First Water Tower West of the Mississippi

        The 168-foot-tall Marston Water Tower was the first elevated steel water tank west of the Mississippi River when it was erected in 1897. It is named for Anson Marston, Iowa State's first...

        The 168-foot-tall Marston Water Tower was the first elevated steel water tank west of the Mississippi River when it was erected in 1897. It is named for Anson Marston, Iowa State's...

          Fremont Peak Memorial

          Fremont Peak Memorial The American flag was first raised on California soil March 4, 1846 on this spot by General John C. Fremont Placed by Native Daughters of the Golden West San Juan Bautista...

          Fremont Peak Memorial The American flag was first raised on California soil March 4, 1846 on this spot by General John C. Fremont Placed by Native Daughters of the Golden West San Juan...

          • fremont
          • civil war
          • flag
          • california

          Alta Bates Hospital

          Alta Bates Hospital Founded 1905 by Miss Alta A. M. Bates Nurse * Teacher * Humanitarian  Dedication 1975 Site of a Time Capsule Perpetuating Alta Bates' Concern for Care Submitted by @jqmcd 

          Alta Bates Hospital Founded 1905 by Miss Alta A. M. Bates Nurse * Teacher * Humanitarian  Dedication 1975 Site of a Time Capsule Perpetuating Alta Bates' Concern for Care Submitted by @jqmcd 

          • berkeley
          • california
          • bay area
          • hospital
          • bates
          • 1905
          • time capsule

          Description of motivation behind topiaries

          Four topiaries depicting dancers are stationed at the entrances (two for each) of the seminar room at the Horizon Village Resort, Chiang Mai. This plaque appears on two of the topiaries; the other...

          Four topiaries depicting dancers are stationed at the entrances (two for each) of the seminar room at the Horizon Village Resort, Chiang Mai. This plaque appears on two of the topiaries; the...

          • topiary
          • artist
          • dancer
          • thailand

          Sidney Rudy Waterfront Park

          SIDNEY RUDY WATERFRONT PARK DEDICATED FEBRUARY 26, 1981

          SIDNEY RUDY WATERFRONT PARK DEDICATED FEBRUARY 26, 1981

          • san francisco
          • bay area
          • california
          • park

          The Bay Trail

          THE BAY TRAIL  The San Francisco Bay Train, a 400-mile network, provides public access to the Bay shoreline not possible since the Gold Rush. It was State Senator Bill Lockyer, in 1987, who...

          THE BAY TRAIL  The San Francisco Bay Train, a 400-mile network, provides public access to the Bay shoreline not possible since the Gold Rush. It was State Senator Bill Lockyer, in 1987,...

          • san francisco
          • bay area
          • california
          • bay
          • shoreline

          1894 Sod House

          Submitted by @AllisonCMeier , more pics at https://twitter.com/AllisonCMeier/status/767040277286494208

          Submitted by @AllisonCMeier , more pics at https:/ /twitter.com/AllisonCMeier/status/7670402772864942 08

          • oklahoma
          • sod house
          • homesteader

          Montgomery North

          MONTGOMERY NORTH ORIGINAL CONSTRUCTION LATE 1800s & EARLY 1900s  RECONSTRUCTED IN 1973

          MONTGOMERY NORTH ORIGINAL CONSTRUCTION LATE 1800s & EARLY 1900s  RECONSTRUCTED IN 1973

          • montgomery
          • north
          • san francisco
          • california
          • bay area

          Birthplace of Alexander Graham Bell

          ALEXANDER GRAHAM BELL Inventor of the Telephone Was born here 3rd March 1847 Submitted by @slashdotat 

          ALEXANDER GRAHAM BELL Inventor of the Telephone Was born here 3rd March 1847 Submitted by @slashdotat 

          • alexander gr...
          • telephone
          • edinburgh
          • scotland

          Library Boy and Girl

          Artist: Christian Petersen (Danish-American, 1885-1961) Title: Library Boy and Girl 2008 casts from 1944 plaster maquettes Media: Bronze   Petersen's Library Boy and Girl depict two students...

          Artist: Christian Petersen (Danish-American, 1885-1961) Title: Library Boy and Girl 2008 casts from 1944 plaster maquettes Media: Bronze   Petersen's Library Boy and Girl depict two students...

          • art sculpture

          First Statistical Laboratory in the US

          Iowa State University First Statistical Laboratory Established in 1933, the Statistical Laboratory at Iowa State was the first research and consulting institute of its kind in the country.  Early...

          Iowa State University First Statistical Laboratory Established in 1933, the Statistical Laboratory at Iowa State was the first research and consulting institute of its kind in the country. ...

            Iowa State University and the Manhattan Project

            "A STRIKING ACHIEVEMENT AMONG THE MANY ASSOCIATED WITH THE WARTIME ATOMIC ENERGY PROJECT IN THE UNITED STATES WAS THE PRODUCTION OF MANY TONS OF PURE URANIUM BY A GROUP CONSISTING OF FACULTY AND...

            "A STRIKING ACHIEVEMENT AMONG THE MANY ASSOCIATED WITH THE WARTIME ATOMIC ENERGY PROJECT IN THE UNITED STATES WAS THE PRODUCTION OF MANY TONS OF PURE URANIUM BY A GROUP CONSISTING OF FACULTY...

            • uranium atom...

            Lake Laverne

            THIS LAKE WAS A GIFT IN 1916 TO IOWA STATE COLLEGE FROM DR. LAVERNE W. NOYES ALUMNUS 1872 MANUFACTURER AND PHILANTROPIST   Submitted by Bryan Arnold @nanowhiskers

            THIS LAKE WAS A GIFT IN 1916 TO IOWA STATE COLLEGE FROM DR. LAVERNE W. NOYES ALUMNUS 1872 MANUFACTURER AND PHILANTROPIST   Submitted by Bryan Arnold @nanowhiskers

              Largest Student-Run Festival

              Iowa State University Largest Student-Organized Festival Veishea, founded in 1922, is the nation's largest student-run celebration.  The name is an acronym for the colleges at Iowa State in...

              Iowa State University Largest Student-Organized Festival Veishea, founded in 1922, is the nation's largest student-run celebration.  The name is an acronym for the colleges at Iowa State...

                Fountain of the Four Seasons

                University Museums gratefully acknowledges the major donors who funded the 1998 conservation of   FOUNTAIN OF THE FOUR SEASONS by Christian Petersen   Estate of Edith and Tersten Lagerstron...

                University Museums gratefully acknowledges the major donors who funded the 1998 conservation of FOUNTAIN OF THE FOUR SEASONS by Christian Petersen   Estate of Edith and Tersten Lagerstron...

                  Iowa State Fair - Agriculture Building

                  AGRICULTURE BUILDING Constructed in 1904, the Agriculture Building is one of the best remaining examples of exposition-style architecture in the world.  Two Jeffersonian domed rotundas mark twin...

                  AGRICULTURE BUILDING Constructed in 1904, the Agriculture Building is one of the best remaining examples of exposition-style architecture in the world.  Two Jeffersonian domed rotundas mark...

                    Amana General Store

                    Amana General Store The Amana Society opened a general store on this site in 1856, only a year after their arrival in Iowa.  In 1958 the original store was replaced by this structure, with...

                    Amana General Store The Amana Society opened a general store on this site in 1856, only a year after their arrival in Iowa.  In 1958 the original store was replaced by this structure,...