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

Sageland

Sageland   In 1867 this small community became a supply center for the St. John, Burning Moscow, and other mines in the New El Dorado District.   Several stores, saloons, and boarding houses were...

Sageland   In 1867 this small community became a supply center for the St. John, Burning Moscow, and other mines in the New El Dorado District.   Several stores, saloons, and boarding houses...

    Carrizo Plain National Monument

    Vast and quiet, ringed by abrupt mountain ranges, the Carrizo Plain supports a mix of plant and animal communities that once existed throughout the San Joaquin Valley. Protecting and enhancing...

    Vast and quiet, ringed by abrupt mountain ranges, the Carrizo Plain supports a mix of plant and animal communities that once existed throughout the San Joaquin Valley. Protecting and...

      The Landing of Francis Drake H.M.S. "Golden Hinde"

      In commemoration of The Landing of Francis Drake H.M.S. "Golden Hinde" upon these shores June 17, 1579   This cross erected by The Sir Francis Drake Associated of California June 1946Submitted by:...

      In commemoration of The Landing of Francis Drake H.M.S. "Golden Hinde" upon these shores June 17, 1579   This cross erected by The Sir Francis Drake Associated of California June 1946Submitted...

        Menlo Park

        Irish immigrants Dennis J. Oliver and his brother-in-law D. C. McGlynn were Menlo Park's first permanent settlers in 1853. They found the tree-studded pastureland of this area reminiscent of...

        Irish immigrants Dennis J. Oliver and his brother- in-law D. C. McGlynn were Menlo Park's first permanent settlers in 1853. They found the tree- studded pastureland of this area reminiscent...

          First Commercially Practicable Integrated Circuit

          First Commercially Practicable Integrated Circuit   At this site in 1959, Dr. Robert Noyce of Fairchild Semiconductor Corporation invented the first integrated circuit that could be produced...

          First Commercially Practicable Integrated Circuit At this site in 1959, Dr. Robert Noyce of Fairchild Semiconductor Corporation invented the first integrated circuit that could be...

            Semiconductor planar process and integrated circuit, 1959

            IEEE Milestone in Electrical Engineering and Computing   Semiconductor planar process and integrated circuit, 1959   The 1959 invention of the Planar Process by Jean A. Hoerni and the integrated...

            IEEE Milestone in Electrical Engineering and Computing   Semiconductor planar process and integrated circuit, 1959   The 1959 invention of the Planar Process by Jean A. Hoerni and the integrated...

              William Lawson Plaza

              William Lawson Plaza   Dedicated to the spirit of community involvement as exemplified by Bill Lawson's more than 50 years of public service including Menlo Park Councilmember, 1952 - 1972,, and...

              William Lawson Plaza   Dedicated to the spirit of community involvement as exemplified by Bill Lawson's more than 50 years of public service including Menlo Park Councilmember, 1952 - 1972,, and...

                Remembering Henry Alton Hyde (1871 - 1949)

                Remembering Henry Alton Hyde (1871 - 1949) Pioneer horticulturist and nurseryman   For 59 years in the Monterey Bay area, H. A. Hyde engaged in plant propagation and development of fruit trees,...

                Remembering Henry Alton Hyde (1871 - 1949) Pioneer horticulturist and nurseryman   For 59 years in the Monterey Bay area, H. A. Hyde engaged in plant propagation and development of fruit trees,...

                  In memory of Ann Cadwick and Marlene Braun

                  In memory of Ann Cadwick and Marlene Braun whose love and dedication for the Carrizo will not be forgotten. Remembering not that they died but celebrating their lives.

                  In memory of Ann Cadwick and Marlene Braun whose love and dedication for the Carrizo will not be forgotten. Remembering not that they died but celebrating their lives.

                    A Continuing Legacy

                    A Continuing Legacy   The Carrizo Plain was a gathering place for the Chumash and other native peoples. Painted Rock was a sacred site to these Native Americans who lived close to nature.   The...

                    A Continuing Legacy   The Carrizo Plain was a gathering place for the Chumash and other native peoples. Painted Rock was a sacred site to these Native Americans who lived close to nature.  ...

                      Santa Cruz Wharf 100th Anniversary

                      Santa Cruz Wharf 100th Anniversary December 5, 2014   City of Santa Cruz City Council Lynn Robinson, Mayor, Done Lane, Vice Mayor, Hilary Bryant, Pamela Comstock, Cynthia Mathews, Micah Posner,...

                      Santa Cruz Wharf 100th Anniversary December 5, 2014   City of Santa Cruz City Council Lynn Robinson, Mayor, Done Lane, Vice Mayor, Hilary Bryant, Pamela Comstock, Cynthia Mathews, Micah Posner,...

                        Reverend Herschel Harkins Memorial

                        Reverend Herschel Harkins Memorial Pacifica Pier Dedicated to a fisher of menSubmitted by: Eric Goodill

                        Reverend Herschel Harkins Memorial Pacifica Pier Dedicated to a fisher of menSubmitted by: Eric Goodill

                          Fremont Peak

                          Fremont Peak   Fremont Peak was called Gavilan Peak in early Spanish times. Gavilan in English means "hawk." In 1846 Capt. John Charles Fremont, brevet captain of topographical engineers of the...

                          Fremont Peak   Fremont Peak was called Gavilan Peak in early Spanish times. Gavilan in English means "hawk." In 1846 Capt. John Charles Fremont, brevet captain of topographical engineers of...

                            John Charles Fremont

                            John Charles Fremont 1813 -  1890   John Charles Fremont was a naturalist, explorer, scientist and captain with the U.S. Topographical Engineers on his third expedition to the west when he camped...

                            John Charles Fremont 1813 -  1890   John Charles Fremont was a naturalist, explorer, scientist and captain with the U.S. Topographical Engineers on his third expedition to the west when he camped...

                              Dedicated in memory of Tim Crawford and Martin Alvarado

                              Dedicated in memory of Tim Crawford and Martin Alvarado who lost their lives on February 7, 2007, while performing underwater inspections at the Dos Amigos pumping plant. They sacrificed their...

                              Dedicated in memory of Tim Crawford and Martin Alvarado who lost their lives on February 7, 2007, while performing underwater inspections at the Dos Amigos pumping plant. They sacrificed their...

                                San Luis Unit

                                San Luis Unit   Joint facilities of the Central Valley Project and State Water Project   Dedicated by Secretary of Interior Stewart L. Udall April 20, 1968   Constructed by United States...

                                San Luis Unit   Joint facilities of the Central Valley Project and State Water Project   Dedicated by Secretary of Interior Stewart L. Udall April 20, 1968   Constructed by United States...

                                  Romero Overlook

                                  Romero Overlook Visitors facilities for the San Luis Dam and San Luis ReservoirSubmitted by: Eric Goodill

                                  Romero Overlook Visitors facilities for the San Luis Dam and San Luis ReservoirSubmitted by: Eric Goodill

                                    In Memory of the Yokut Indians

                                    In memory of the Yokut Indians who were here first and named the valley Cholame, The Beautiful One. To Norman F. "Buck" Kester who epitomized the pioneering spirit of the early settlers and to all...

                                    In memory of the Yokut Indians who were here first and named the valley Cholame, The Beautiful One. To Norman F. "Buck" Kester who epitomized the pioneering spirit of the early settlers and to...

                                      Restoration of the Merchant Marine Memorial

                                      Restoration of this Memorial by Members of the Golden Gate Chapter San Francisco, CA of the American Merchant Marine Veterans, and Kings Point U.S. "Merchant Marine Academy" Alumni. Dedicated to...

                                      Restoration of this Memorial by Members of the Golden Gate Chapter San Francisco, CA of the American Merchant Marine Veterans, and Kings Point U.S. "Merchant Marine Academy" Alumni. Dedicated to...

                                        The Reverend Laurentine Hamilton

                                        The Reverend Laurentine Hamilton 1826 - 1882   The Naming of Mount Hamilton In the late summer of 1861, William H. Brewer, director of field work for the California State Geological Survey,...

                                        The Reverend Laurentine Hamilton 1826 - 1882   The Naming of Mount Hamilton In the late summer of 1861, William H. Brewer, director of field work for the California State Geological...