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

Oak of the Golden Dream

If you head north and east out of Los Angeles toward Santa Clarita on Highway 14, you pass one of those historical marker signs that declares, "Oak of the Golden Dream, this exit." Or something...

If you head north and east out of Los Angeles toward Santa Clarita on Highway 14, you pass one of those historical marker signs that declares, "Oak of the Golden Dream, this exit." Or...

  • los angeles county
  • california
  • gold rush
  • wild onions
  • gold

Radium Queen of the Desert: Josephine Stephens Bishop

Another find along Highway 14, which is the route from the Los Angeles basin up to the Mojave Desert, U.S. 395 and the Eastern Sierra. Northbound, there's a sign before you get to the Jawbone...

Another find along Highway 14, which is the route from the Los Angeles basin up to the Mojave Desert, U.S. 395 and the Eastern Sierra. Northbound, there's a sign before you get to the Jawbone...

  • california
  • kern county
  • radium
  • mojave desert

20-Mule-Team Borax Terminus

This is on California Highway 14, the main drag through Mojave, a desert crossroads and would-be spaceport (Burt Rutan, the designer and builder of the X-Prize-winning SpaceShipOne and Virgin...

This is on California Highway 14, the main drag through Mojave, a desert crossroads and would-be spaceport (Burt Rutan, the designer and builder of the X-Prize-winning SpaceShipOne and...

  • kern county
  • california
  • mojave desert
  • mining

Statehood

1850  STATEHOOD  California is admitted to the United States as the 31st state. The constitutional convention of 1849 designated San Jose as the first state capital.

1850  STATEHOOD  California is admitted to the United States as the 31st state. The constitutional convention of 1849 designated San Jose as the first state capital.

  • monterey
  • california
  • 1850

Ardenwood Trains

    AT&T & RCA Receiving Stations

    • point reyes
    • radion
    • wireless
    • ship-to-shore
    • sky wave

    Point Reyes Receiving Station

    • point reyes
    • radion
    • wireless
    • marconi

    Eniac

    ENIAC THE FIRST LARGE - SCALE, GENERAL - PURPOSE ELECTRONIC DIGITAL COMPUTER. ENIAC (ELECTRONIC NUMERICAL INTEGRATOR AND COMPUTER) WAS DELIVERED TO THE US ARMY'S BALLISTIC RESEARCH LABORATORY...

    ENIAC THE FIRST LARGE - SCALE, GENERAL - PURPOSE ELECTRONIC DIGITAL COMPUTER. ENIAC (ELECTRONIC NUMERICAL INTEGRATOR AND COMPUTER) WAS DELIVERED TO THE US ARMY'S BALLISTIC RESEARCH...

    • maryland
    • aberdeen
    • eniac
    • ballistic research
    • 1947
    • computers

    The Bombing of the Alfred P. Murrah Building

    In loving memory of our Federal Highway Administration family members lost in the bombing of the Alfred P. Murrah Building Oklahoma City, Oklahoma     April 19, 1995  LUCIO ALEMAN, JR.LARRY J....

    In loving memory of our Federal Highway Administration family members lost in the bombing of the Alfred P. Murrah Building Oklahoma City, Oklahoma     April 19, 1995  LUCIO ALEMAN, JR.LARRY J....

    • north dakota
    • oklahoma
    • murrah building
    • bombing

    Point Reyes Light Station

    POINT REYES LIGHT STATION BUILT 1870 HAS BEEN PLACED ON THE  NATIONAL REGISTER OF HISTORIC PLACES  BY THE UNITED STATES DEPARTMENT OF THE INTERIOR

    POINT REYES LIGHT STATION BUILT 1870 HAS BEEN PLACED ON THE  NATIONAL REGISTER OF HISTORIC PLACES  BY THE UNITED STATES DEPARTMENT OF THE INTERIOR

    • light house
    • light station
    • point reyes
    • california

    GRUENE'S HALL

    Pronounced "Green", this dance hall and bar is still a functioning concert venue. http://gruenehall.com   BUILT IN 1878 AS A SALOON AND SOCIAL HALL FOR AREA COTTON FARMERS, THIS IS BELIEVED TO BE...

    Pronounced "Green", this dance hall and bar is still a functioning concert venue. http://gruenehall.com   BUILT IN 1878 AS A SALOON AND SOCIAL HALL FOR AREA COTTON FARMERS, THIS IS BELIEVED TO BE...

    • gruene
    • texas histor...
    • music hall
    • texas histor...
    • country music

    MOUNT BONNELL

    Excellent views of the Texas Hill Country, the Colorado River/Lake Austin to the west and downtown Austin to the SE RISING 775 FEET ABOVE SEA LEVEL, THIS LIMESTONE HEIGHT WAS NAMED FOR GEORGE W....

    Excellent views of the Texas Hill Country, the Colorado River/Lake Austin to the west and downtown Austin to the SE RISING 775 FEET ABOVE SEA LEVEL, THIS LIMESTONE HEIGHT WAS NAMED FOR GEORGE W....

    • austin
    • texas histor...
    • hill
    • mountain
    • viewpoint
    • overlook

    Saint Anthony Falls Heritage Trail: The Barrel-Makers' Co- Ops

    The red brick building at the corner of Third Avenue and First Street was one of many factories that supplied the barrels used  for flour. Called coopers, the skilled workers who made barrels...

    The red brick building at the corner of Third Avenue and First Street was one of many factories that supplied the barrels used  for flour. Called coopers, the skilled workers who made...

      Circus fire: 1

      The first in a series of plaques about the Hartford Circus Fire. It reads: "2:40 PM...As the wild lion act ends, a small ball of flame breaks out high on the sidewall of the Ringling circus tent....

      The first in a series of plaques about the Hartford Circus Fire. It reads: "2:40 PM...As the wild lion act ends, a small ball of flame breaks out high on the sidewall of the Ringling circus tent....

      • hartford
      • circus
      • fire
      • disaster

      Dr. Gordon L. Chan

      In memory of Dr. Gordon L. Chan 1930-1996  who, to preserve the tidepool resources of this area, was instrumental in the creation of the Duxbury Reef Marine Reserve Submitted by Darren Platt

      In memory of Dr. Gordon L. Chan 1930-1996  who, to preserve the tidepool resources of this area, was instrumental in the creation of the Duxbury Reef Marine Reserve Submitted by Darren Platt

      • tidepool
      • bolinas
      • duxbury reef
      • sea anemone
      • 1930

      The Coventry Theatre

        The Coventry Theatre The New Hippodrome, as it was originally named, was opened on 1 November 1937. It was the third Hippodrome on this site, the first situated in Pool Meadow (1903) and the...

        The Coventry Theatre The New Hippodrome, as it was originally named, was opened on 1 November 1937. It was the third Hippodrome on this site, the first situated in Pool Meadow (1903) and...

      • coventry
      • england
      • hippodrome
      • theatre

      Apple Tree Cove - Kingston

      APPLE TREE COVE - KINGSTON  Apple Tree Cover was named by Lieut. Charles Wilkes, U.S.N., commanding the U.S. Exploring Expedition, which first charted Puget Sound, on May 18, 1841.The first...

      APPLE TREE COVE - KINGSTON  Apple Tree Cover was named by Lieut. Charles Wilkes, U.S.N., commanding the U.S. Exploring Expedition, which first charted Puget Sound, on May 18, 1841.The first...

      • kingston
      • apple tree cove
      • washington
      • puget sound
      • 1841

      Fire, Police and Sheriffs Department Memorial

      In Honored Memory Of Those Brave Members Of The Memphis & Shelby County Police, Fire & Sheriff's Departments Who Have, Since 1819, Died In Line Of Duty "Greater Love Hath No Man Than This That A...

      In Honored Memory Of Those Brave Members Of The Memphis & Shelby County Police, Fire & Sheriff's Departments Who Have, Since 1819, Died In Line Of Duty "Greater Love Hath No Man Than This That...

      • shelby county
      • tennessee

      Louis Burchett McFarland Clock Tower

      A Gift To The People Of Memphis By Judge Louis Burchette McFarland First Chairman Of Park Commission Founded In 1898. Submitted from the Shelby County Register's Office.

      A Gift To The People Of Memphis By Judge Louis Burchette McFarland First Chairman Of Park Commission Founded In 1898. Submitted from the Shelby County Register's Office.

      • shelby county
      • tennessee

      Mexican Independence From Spain

      1822  MEXICAN INDEPENDENCE FROM SPAIN  California acknowledges Mexico's independence from Spain, which was declared in 1821. Monterey remains capital of Alta California under Mexican rule.

      1822  MEXICAN INDEPENDENCE FROM SPAIN  California acknowledges Mexico's independence from Spain, which was declared in 1821. Monterey remains capital of Alta California under Mexican rule.

      • montgomery
      • mexico
      • spain
      • 1822
      • alta california