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

Moses L. Rosendin County Park

MOSES L. ROSENDIN COUNTY PARK Louis and Raymond Rosendin have donated this 116-acre parcel of land to Santa Clara County Parks & Recreation Department to honor the memory of their father Moses L....

MOSES L. ROSENDIN COUNTY PARK Louis and Raymond Rosendin have donated this 116-acre parcel of land to Santa Clara County Parks & Recreation Department to honor the memory of their father Moses L....

  • rosendin

1545 Divisadero An Historic American Building

1545 Divisadero An Historic American Building In 1919, N. Gray & Company commissioned engineer James H. Hjul to construct a two-story, wood-frame building on the soutnwest corner of Post and...

1545 Divisadero An Historic American Building In 1919, N. Gray & Company commissioned engineer James H. Hjul to construct a two-story, wood-frame building on the soutnwest corner of Post...

  • georgian revival
  • san francisco

Motion Picture Research

IN COMMEMORATION OF The motion picture research conducted in 1878 and 1879 at the Palo Alto Farm now the site of Stanford University This extensive photographic experiment portraying the attitudes...

IN COMMEMORATION OF The motion picture research conducted in 1878 and 1879 at the Palo Alto Farm now the site of Stanford University This extensive photographic experiment portraying the...

  • stanford
  • muybridge
  • motion picture

Martin Luther King, Jr. Regional Shoreline Wetlands Project 1998

Martin Luther King, Jr. Regional Shoreline Wetlands Project 1988 Made possible through the efforts of: Golden Gate Audubon Society Save San Francisco Bay Association Sierra Club Funded by: Port of...

Martin Luther King, Jr. Regional Shoreline Wetlands Project 1988 Made possible through the efforts of: Golden Gate Audubon Society Save San Francisco Bay Association Sierra Club Funded by: Port of...

  • wetlands

Rodin's Gates of Hell

THE GATES OF HELL Auguste Rodin I have loved these awesome doors since that winter day in 1949 when I first stood below them outside the Rodin Museum in Philadelphia and was terrified at the...

THE GATES OF HELL Auguste Rodin I have loved these awesome doors since that winter day in 1949 when I first stood below them outside the Rodin Museum in Philadelphia and was terrified at the...

  • stanford
  • rodin
  • sculpture

Solari Family Windmill

Solari Family Windmill This windmill was built in the 1880's on the Solari farm, located at Whipple Avenue and Old County Road in Redwood City. It was moved in the 1930's to the new family farm...

Solari Family Windmill This windmill was built in the 1880's on the Solari farm, located at Whipple Avenue and Old County Road in Redwood City. It was moved in the 1930's to the new family farm...

  • solari windmill
  • redwood city

Jean Cloud and Jeri Joseph-Hover

JEAN CLOUD AND JERI JOSEPH-HOVER THE SOLARI WINDMILL IS DEDICATED IN THEIR HONOR BECAUSE OF THEIR DEVOTION TO SAVE LANDMARKS THAT DEFINE THE HISTORY OF REDWOOD CITY. 2007 VOLUNTEERS REDWOOD PARLOR...

JEAN CLOUD AND JERI JOSEPH-HOVER THE SOLARI WINDMILL IS DEDICATED IN THEIR HONOR BECAUSE OF THEIR DEVOTION TO SAVE LANDMARKS THAT DEFINE THE HISTORY OF REDWOOD CITY. 2007 VOLUNTEERS REDWOOD PARLOR...

  • solari windmill
  • redwood city
  • union cemetery

Osceola Mills

OSCEOLA MILLS The first town in the county to receive a railroad in 1862 and the telephone in 1878. In 1874 Berwind-White, the 4th largest coal company in the world, was founded here. The 1875...

OSCEOLA MILLS The first town in the county to receive a railroad in 1862 and the telephone in 1878. In 1874 Berwind-White, the 4th largest coal company in the world, was founded here. The...

  • osceola mills
  • pennsylvania
  • clearfield county
  • railroad
  • telephone
  • coal
  • horace liveright
  • lakes to the...

Building a Dome

Building a Dome The dome-shaped rock that holds Vulcan's Eyeresembles what Lassen Peak—a plug dome volcano—once looked like. Layers of lava from older volcanoes built the mountain to a level near...

Building a Dome The dome-shaped rock that holds Vulcan's Eyeresembles what Lassen Peak—a plug dome volcano—once looked like. Layers of lava from older volcanoes built the mountain to a level...

  • lassen
  • volcano

Navajo Springs

AT NAVAJO SPRINGS DECEMBER 29. 1863 ARIZONA'S TERRITORIAL OFFICIALS TOOK THE OATH OF OFFICE DURING A SNOWSTORM GOVERNOR JOHN N GOODWIN AND OTHER OFFICIALS ARRIVING FROM THE EAST BY WAGON TRAIN...

AT NAVAJO SPRINGS DECEMBER 29. 1863 ARIZONA'S TERRITORIAL OFFICIALS TOOK THE OATH OF OFFICE DURING A SNOWSTORM GOVERNOR JOHN N GOODWIN AND OTHER OFFICIALS ARRIVING FROM THE EAST BY WAGON TRAIN...

    Northern Terminus of the Alcan

    NORTHERN TERMINUS OF THE “ALCAN” MILITARY HIGHWAY TO ALASKA THIS HIGHWAY WAS CONSTRUCTED DURING WORLD WAR 2 AS A MILITARY SUPPLY ROUTE TO SUPPLY INTERIOR ALASKA MILITARY INSTALLATIONS AND...

    NORTHERN TERMINUS OF THE “ALCAN” MILITARY HIGHWAY TO ALASKA THIS HIGHWAY WAS CONSTRUCTED DURING WORLD WAR 2 AS A MILITARY SUPPLY ROUTE TO SUPPLY INTERIOR ALASKA MILITARY INSTALLATIONS...

    • alcan
    • alaska
    • wwii

    Rossi Retort

    The Rossi Retort This two-tube inclined retort, known as a “Rossi Retort,” was named after Louis Rossi who came to New Almaden in the 1920s and built a reduction plant based on his patented...

    The Rossi Retort This two-tube inclined retort, known as a “Rossi Retort,” was named after Louis Rossi who came to New Almaden in the 1920s and built a reduction plant based on his...

      San Andreas Fault - Split Plaque

      [Rear plaque] THE SAN ANDREAS FAULT This rift extends from El Centro on the south, 650 miles northwesterly the length of California to Point Arenas, where it continues seaward. The most publicized...

      [Rear plaque] THE SAN ANDREAS FAULT This rift extends from El Centro on the south, 650 miles northwesterly the length of California to Point Arenas, where it continues seaward. The most publicized...

      • parkfield
      • san andreas fault

      Saturn V Rocket

      NATIONAL HISTORIC MECHANICAL ENGINEERING LANDMARK SATURN V ROCKET 1967 - 1973 THE LARGEST ROCKET BUILT AT THE TIME OF THE HISTORIC FIRST MISSIONS TO THE MOON, THE SATURN V CARRIED ALOFT THE 45-TON...

      NATIONAL HISTORIC MECHANICAL ENGINEERING LANDMARK SATURN V ROCKET 1967 - 1973 THE LARGEST ROCKET BUILT AT THE TIME OF THE HISTORIC FIRST MISSIONS TO THE MOON, THE SATURN V CARRIED ALOFT THE...

      • saturn v
      • rocket
      • nasa
      • apollo
      • moon landing

      Steamboat Jenny Lind Disaster

      THI STEAMBOAT JENNY LIND DISASTER Beginning in the 1840s, the dock at Alviso served at Santa Clara County’s access to the San Francisco Bay. From this port, passengers Boarded steamboats loaded...

      THI STEAMBOAT JENNY LIND DISASTER Beginning in the 1840s, the dock at Alviso served at Santa Clara County’s access to the San Francisco Bay. From this port, passengers Boarded steamboats...

      • jenny lind
      • alviso
      • steamboat

      Tamsen and Elizabeth Donner

      Tamsen and Elizabeth Donner They gave unselfishly, their fortunes and their lives that their children should survive Near this site, in the winter of 1846, two pioneer women gave up their lives...

      Tamsen and Elizabeth Donner They gave unselfishly, their fortunes and their lives that their children should survive Near this site, in the winter of 1846, two pioneer women gave up their lives...

      • donner party

      Dick & Doris Hickner

      Presented in Honor of Dick & Doris Hickner with deep appreciation for their 15 years of undaunting leadership to the Texas mid coast wildlife refuges; and for serving as founder & charter...

      Presented in Honor of Dick & Doris Hickner with deep appreciation for their 15 years of undaunting leadership to the Texas mid coast wildlife refuges; and for serving as founder &...

        See the Good—Emily Benatar

        “See the good” This deck is dedicated to Emily Benatar, Class of 2011 Designed by Gracie Cain, Emily’s best friend at Paly The story behind the design Emily had just turned 5. She was holding her...

        “See the good” This deck is dedicated to Emily Benatar, Class of 2011 Designed by Gracie Cain, Emily’s best friend at Paly The story behind the design Emily had just turned 5. She was holding her...

          James Johnston House

          THE JAMES JOHNSTON HOUSE James Johnston, a forty-niner from Ohio, established a homestead on this wild, romantic vista of sloping fields and ocean shore in 1853. For his Californiano bride, Petra...

          THE JAMES JOHNSTON HOUSE James Johnston, a forty- niner from Ohio, established a homestead on this wild, romantic vista of sloping fields and ocean shore in 1853. For his Californiano bride,...

          • johnston house
          • half moon bay
          • white house

          Coyote Lake~Harvey Bear Ranch County Park

          COYOTE LAKE~HARVEY BEAR RANCH COUNTY PARK In the 1830s, most of what is now the park was located on the Rancho San Francisco de las Llagas granted to Carlos Castro. The reservoir is found on early...

          COYOTE LAKE~HARVEY BEAR RANCH COUNTY PARK In the 1830s, most of what is now the park was located on the Rancho San Francisco de las Llagas granted to Carlos Castro. The reservoir is found on...