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

Dallas Power & Light

'This 1931 Art Deco building served as an annex to the adjoining 19 story headquarters of Dallas Power & Light Co. Lang and Witchell, who changed the skyline of Dallas, served as architect of...

'This 1931 Art Deco building served as an annex to the adjoining 19 story headquarters of Dallas Power & Light Co. Lang and Witchell, who changed the skyline of Dallas, served as architect...

  • dallas
  • power
  • light

The Eastland Disaster

While still partially tied to its dock at the river's edge, the excursion steamer Eastland rolled over on the morning of July 24, 1915. The result was one of the worst maritime disasters in...

While still partially tied to its dock at the river's edge, the excursion steamer Eastland rolled over on the morning of July 24, 1915. The result was one of the worst maritime disasters...

  • chicago
  • illinois
  • eastland
  • eastland disaster
  • chicago river
  • great lakes
  • ship
  • steamer
  • disaster
  • capsize
  • western elec...

Boston's New West End

"After 1959: Charles River Park." Today, the West End is a mixed-use commercial and residential area. A few non-residential areas were spared from the urban renewal of the 1950s, such...

"After 1959: Charles River Park." Today, the West End is a mixed-use commercial and residential area. A few non-residential areas were spared from the urban renewal of the 1950s,...

  • boston
  • west end
  • urban renewal

Boston's Old West End Memorial

"Before 1959, the West End." By the 1950s, Boston's West End had turned into a working poor residential area with scattered businesses with small meandering roads much like the North End....

"Before 1959, the West End." By the 1950s, Boston's West End had turned into a working poor residential area with scattered businesses with small meandering roads much like the North End....

  • boston
  • west end
  • tenements
  • razed

Thoreau's Cabin at Walden Pond

Granite markers give a sense of the cabin's perimeter, but it's only the foundation of the chimney that was found. Another marker nearby explains that the chimney was discovered in 11/11/1945 by...

Granite markers give a sense of the cabin's perimeter, but it's only the foundation of the chimney that was found. Another marker nearby explains that the chimney was discovered in 11/11/1945 by...

    Chugach State Park

    Chugach State Park - the Flattop mountain overlook at the Gle Alps trailhead. "Chugach State Park Celebrating 25 years since the are's establishment in 1970, the grateful citizens of Alaska...

    Chugach State Park - the Flattop mountain overlook at the Gle Alps trailhead. "Chugach State Park Celebrating 25 years since the are's establishment in 1970, the grateful citizens of...

    • chugach
    • anchorage
    • alaska
    • rededicate

    Shea Stadium Third Base

    "SITE OFSHEA STADIUMTHIRD BASE1964-2008" Submitted by Matt Schultz, with this message: "This is now in the parking lot where the Mets play. Those are my dad's ashes, placed there by my brother."

    "SITE OFSHEA STADIUMTHIRD BASE1964-2008" Submitted by Matt Schultz, with this message: "This is now in the parking lot where the Mets play. Those are my dad's ashes, placed there by my brother."

    • baseball
    • mets
    • nyc
    • new york
    • ny
    • shea

    Monument Mountain dedication

    We have been climbing Monument Mountail in Great Barrington, MA for over 25 summers. We always stop and read the plaque. Out loud. And finish by saying "Yay Rosalie Butler", because she did a...

    We have been climbing Monument Mountail in Great Barrington, MA for over 25 summers. We always stop and read the plaque. Out loud. And finish by saying "Yay Rosalie Butler", because she did...

    • #thetrustees

    Formed for the Purpose Of Obtaining a Loan

    "Formed for the purpose ofobtaining a loan from theFederal Government for a community water system. Merged with Layton Citydue to lack of revenue anddesire to increase services Incorporated...

    "Formed for the purpose ofobtaining a loan from theFederal Government for a community water system. Merged with Layton Citydue to lack of revenue anddesire to increase services Incorporated...

    • loan
    • water
    • utah
    • lack of revenue

    The Ahwahnee

    National Historic Landmark designated in 1987 by the National Park Service of the United States Department of the Interior.     

    National Historic Landmark designated in 1987 by the National Park Service of the United States Department of the Interior.   

    • hotel
    • national park
    • yosemite

    South Point Complex

      SOUTH POINT COMPLEX HAS BEEN DESIGNATED A  REGISTERED NATIONAL HISTORIIC LANDMARK UNDER THE PROVISIONS OF THE HISTORIC SITES ACT OF AUGUST 21, 1955 THIS SITE POSSESSES EXCEPTIONAL VALUE IN...

      SOUTH POINT COMPLEX HAS BEEN DESIGNATED A  REGISTERED NATIONAL HISTORIIC LANDMARK UNDER THE PROVISIONS OF THE HISTORIC SITES ACT OF AUGUST 21, 1955 THIS SITE POSSESSES EXCEPTIONAL VALUE...

    • hawaii

    Hiram M. Chittenden Locks

    By the Ballard Locks: "Historical Point of Interest Commemorating the 50th anniversary ofthe Hiram M. Chittenden Locks. Dedicated in 1917, the locks have servedboth pleasure and commercial craft...

    By the Ballard Locks: "Historical Point of Interest Commemorating the 50th anniversary ofthe Hiram M. Chittenden Locks. Dedicated in 1917, the locks have servedboth pleasure and commercial craft...

    • seattle
    • locks
    • ballard
    • chittenden

    General Knox and the Fort Ticonderoga Artillery

    "Through this place passedGeneral Henry Knoxin the winter of 1775 - 1776to deliver toGeneral George Washingtonat Cambridge the train of artilleryfrom Fort Ticonderoga used to force the British...

    "Through this place passedGeneral Henry Knoxin the winter of 1775 - 1776to deliver toGeneral George Washingtonat Cambridge the train of artilleryfrom Fort Ticonderoga used to force the British...

    • knox
    • revolution
    • washgton
    • cambridge
    • framingham

    First National Bank of Paris

    "Organized and opened for business at its present location in 1886 by William J. McDonald (1844-1926), Civil War veteran and lawyer. Earler he had opened the Citizens Bank of Clarksville and in...

    "Organized and opened for business at its present location in 1886 by William J. McDonald (1844-1926), Civil War veteran and lawyer. Earler he had opened the Citizens Bank of Clarksville and in...

    • paris
    • texas
    • bank

    Henry Frank Arcade

    "Henry Frank Arcade Historic Site For years people havecome to this spotto see the profile ofPresidentAbraham Lincolnon the mountain Best time to view at sundown" Submitted by @jqmcd  

    "Henry Frank Arcade Historic Site For years people havecome to this spotto see the profile ofPresidentAbraham Lincolnon the mountain Best time to view at sundown" Submitted by @jqmcd

    • henry
    • frank
    • arcade
    • lincoln

    "S" Bridge II, New Concord, Ohio

    S-Bridge Coaches, Conestoga wagons, herds of livestock, pioneers on foot or horseback, peddlers, soldiers, beggars - these and many others have crossed this bridge on the National Road  since...

    S-Bridge Coaches, Conestoga wagons, herds of livestock, pioneers on foot or horseback, peddlers, soldiers, beggars - these and many others have crossed this bridge on the National Road  since...

    • ohio
    • bridge
    • fox run
    • new concord
    • sbridge

    Coit Tower Semaphore

    An unusual and short lived semaphore system at Coit Tower: "During gold rush days a look-out stationed in a structure on this spot observed and signalled the arrival of incoming vessels, by...

    An unusual and short lived semaphore system at Coit Tower: "During gold rush days a look-out stationed in a structure on this spot observed and signalled the arrival of incoming vessels,...

    • san francisco
    • tower
    • bay area
    • coit
    • tower

    Coit Tower

    Coit Tower  This 210 foot monument was built in 1933  with monies bequeathed by Lillie Hitchcock Coit to beautify the city she loved. Frescoes were pointed in the interior of the newly built...

    Coit Tower  This 210 foot monument was built in 1933  with monies bequeathed by Lillie Hitchcock Coit to beautify the city she loved. Frescoes were pointed in the interior of the newly built...

    • san francisco
    • tower
    • bay area
    • coit tower

    What Cheer House

    Site ofWhat Cheer House This is the site of the famouse What Cheer House,a unique hotel opened in 1852 by R. B. Woodwardand destroyed by the fire of 1906. The What Cheer House catered to men only,...

    Site ofWhat Cheer House This is the site of the famouse What Cheer House,a unique hotel opened in 1852 by R. B. Woodwardand destroyed by the fire of 1906. The What Cheer House catered to men...

      George Washington Statue, University of Washington

      "Presented to the University of WashingtonJune 14, 1909 by Rainier Chapter Daughtersof the American Revolution. Assisted by thesons and daughters of the American Revolutionby the school children...

      "Presented to the University of WashingtonJune 14, 1909 by Rainier Chapter Daughtersof the American Revolution. Assisted by thesons and daughters of the American Revolutionby the school children...

      • seattle
      • washington
      • george washington
      • statue