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

Jenny Lake Boathouse

    Iron for Gold

    Iron for Gold Dedicated to Richard “Dick” Zembiec Long-time Minerals Office (1984 - 2000) for Tahoe National Forest The collection of early minis equipment fulfills one of Dick’s long-term wishes,...

    Iron for Gold Dedicated to Richard “Dick” Zembiec Long-time Minerals Office (1984 - 2000) for Tahoe National Forest The collection of early minis equipment fulfills one of Dick’s long-term...

    • gold country
    • mining

    New Life for an Old Mountain

      Scanning the Skies

        Life on the Summit

          Early People of Mount Umunhum

            Charles Taze Russell

            Charles Taze Russell (1852-1916) Pastor Russell formed a Bible study group in Allegheny city in the 1870s; developed into the Watch Tower Bible & Tract Society. It became the legal corporation for...

            Charles Taze Russell (1852-1916) Pastor Russell formed a Bible study group in Allegheny city in the 1870s; developed into the Watch Tower Bible & Tract Society. It became the legal corporation...

            • allegheny city
            • 19th century
            • jehovah's witnesses

            Battery Mendell-- Keeping the enemy at bay

            Golden Gate National Recreation Area Battery Mendell Keeping the enemy at bay Battery Mendell's mission was to keep enemy warships farther from San Francisco's harbor than any of the earlier...

            Golden Gate National Recreation Area Battery Mendell Keeping the enemy at bay Battery Mendell's mission was to keep enemy warships farther from San Francisco's harbor than any of the...

            • marin headlands
            • battery
            • disappearing gun

            Blue Star Memorial Highway

            National Council of State Garden Clubs Blue Star Memorial Highway A tribute to the Armed Forces that have defended the United State of America Sponsored by Desert Empire District, California...

            National Council of State Garden Clubs Blue Star Memorial Highway A tribute to the Armed Forces that have defended the United State of America Sponsored by Desert Empire District,...

              Bonneville Salt Flats

              Welcome to the Bonneville Salt Flats and Utah's famed measured mile--stie of world land-speed record runs. Utah's famed measured mile is located approximately seven miles beyond this marker, well...

              Welcome to the Bonneville Salt Flats and Utah's famed measured mile--stie of world land-speed record runs. Utah's famed measured mile is located approximately seven miles beyond this marker,...

              • salt flat
              • raceway
              • speed record

              Bradley J. Honholt

              In Loving Memory of Bradley J. Honholt 1932–2008 Chief Civil Engineer Roaring Camp & Big Trees Narrow Gauge Railroad Submitted by: Eric Goodill

              In Loving Memory of Bradley J. Honholt 1932–2008 Chief Civil Engineer Roaring Camp & Big Trees Narrow Gauge Railroad Submitted by: Eric Goodill

              • roaring camp

              History of the Cal Poly Research Pier

              Cal Poly Center for Coastal Marine Sciences PIER INTO THE PAST Cal Poly’s pier has undergone change throughout its history, shifting purpose from industrial use to a center for marine research &...

              Cal Poly Center for Coastal Marine Sciences PIER INTO THE PAST Cal Poly’s pier has undergone change throughout its history, shifting purpose from industrial use to a center for marine research...

                Summits of the Bay Area

                  A Sacred Site

                    Mount Umunhum

                      Conservation Lands

                        Helping Hand Hall

                          Hacienda Hotel (Red Sign)

                            Hacienda Hotel

                              Site of First Minig Operation in California; Site of Reduction Works