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

Pigeon Point Lighthouse: Civil Engineering Landmark

California Historic Civil Engineering Landmark American Society of Civil Engineers Founded in 1852 Pigeon Point Lighthouse 1871 San Francisco Section ASCE 1976 Submitted by: Eric Goodill

California Historic Civil Engineering Landmark American Society of Civil Engineers Founded in 1852 Pigeon Point Lighthouse 1871 San Francisco Section ASCE 1976 Submitted by: Eric Goodill

    Gen Merrill Carriage House

    Gen Merrill Carriage House Named in memory of Genevieve Merrill Dedicated November 9, 2000 Supported by the Atherton Dames Holbrook-Palmer Park Foundation Merril Properties A.C.I.L. Submitted by:...

    Gen Merrill Carriage House Named in memory of Genevieve Merrill Dedicated November 9, 2000 Supported by the Atherton Dames Holbrook-Palmer Park Foundation Merril Properties A.C.I.L. Submitted by:...

      Hanna House

      Hanna House by Frank Lloyd Wright has been placed on the National Register of Historic Places by the United States Department of the Interior Submitted by: Eric Goodill

      Hanna House by Frank Lloyd Wright has been placed on the National Register of Historic Places by the United States Department of the Interior Submitted by: Eric Goodill

        Fray Junipero Serra

        Serra international [logo]   This plaque honors the memory of Fray Junipero Serra “the apostle of California"   who died 200 years ago after a life dedicated to spreading the Gospel of Jesus...

        Serra international [logo]   This plaque honors the memory of Fray Junipero Serra “the apostle of California"   who died 200 years ago after a life dedicated to spreading the Gospel of Jesus...

          Stone River by Andrew Goldsworthy

          Andy Goldsworthy  England, b. 1959   Stone River, 2001 Sandstone   Given in honor of Gerhard Casper, President, Stanford University, 1992–2000, for his vision and commitment to making the arts an...

          Andy Goldsworthy  England, b. 1959   Stone River, 2001 Sandstone   Given in honor of Gerhard Casper, President, Stanford University, 1992–2000, for his vision and commitment to making the arts...

            Michael Alan Wolder

            In memory of Michael Alan Wolder 1965–2015 Mike Wolder served with distinction as a graduate student, wildlife biologist, and supervisory wildlife biologist at the Sacramento National Wildlife...

            In memory of Michael Alan Wolder 1965–2015 Mike Wolder served with distinction as a graduate student, wildlife biologist, and supervisory wildlife biologist at the Sacramento National Wildlife...

              James Arthur Schuler

              February 12, 1950 – December 1990 This memorial is dedicated to the memory of Jim Schuler, Fisheries Management Supervisor for the California Department of Fish and Game. Jim's knowledge of and...

              February 12, 1950 – December 1990 This memorial is dedicated to the memory of Jim Schuler, Fisheries Management Supervisor for the California Department of Fish and Game. Jim's knowledge of and...

                Gaspar de Portolá Expedition Campsite

                Gaspar de Portolá Expedition Campsite   The Gaspar de Portolá expedition camped twice near this marker. During Spain's initial colonial thrust into Alta California, the exploration party headed...

                Gaspar de Portolá Expedition Campsite   The Gaspar de Portolá expedition camped twice near this marker. During Spain's initial colonial thrust into Alta California, the exploration party...

                  Anchor Point Alaska

                  Anchor Point Alaska   Most westerly highway point in North America.   This point is mile 157 Sterling Highway.   Lat:: 59 deg 48.1' north Long.: 151 deg 50.2' west   1971Submitted by: Eric Goodill

                  Anchor Point Alaska   Most westerly highway point in North America.   This point is mile 157 Sterling Highway.   Lat:: 59 deg 48.1' north Long.: 151 deg 50.2' west   1971Submitted by: Eric Goodill

                    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,...