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

Early Development

Paris Gibson, founder of Great Falls, recognized the power potential of nearby waterfalls. In 1887 he founded the Great Falls Water Power and Townsite Company and purchased water power sites along...

Paris Gibson, founder of Great Falls, recognized the power potential of nearby waterfalls. In 1887 he founded the Great Falls Water Power and Townsite Company and purchased water power sites along...

  • great falls
  • paris gibson

Hidden Falls

"I had scarcely infixed my eyes from this pleasing object [Rainbow Falls] before I discovered another fall above at the distance of half a mile; thus invited I did not once think of returning but...

"I had scarcely infixed my eyes from this pleasing object [Rainbow Falls] before I discovered another fall above at the distance of half a mile; thus invited I did not once think of returning...

  • lewis and clark
  • colter falls

Silver Smelter

A few remnants of the Montana Smelter site is all that is left of a large silver-lead smelting operation dating from 1888 to 1902. During that period, work at the smelter fluctuated with the price...

A few remnants of the Montana Smelter site is all that is left of a large silver-lead smelting operation dating from 1888 to 1902. During that period, work at the smelter fluctuated with the price...

  • great falls
  • montana smelter

Smelter Manager's Home

Shown at right, this Queen Anne Style home served as the Montana Smelter manager's home. A tree lined driveway led to the ornate home, an elaborate structure for Great Falls. The first floor had a...

Shown at right, this Queen Anne Style home served as the Montana Smelter manager's home. A tree lined driveway led to the ornate home, an elaborate structure for Great Falls. The first floor had a...

  • great falls
  • queen anne style
  • montana smelter

First Spring

This plaque is mounted to a rectangular chunk of granite in a small remote clearing between the wooded hills and sand dune marshes at the tip of Cape Cod, Massachusetts. A few feet from the plaque...

This plaque is mounted to a rectangular chunk of granite in a small remote clearing between the wooded hills and sand dune marshes at the tip of Cape Cod, Massachusetts. A few feet from the plaque...

  • first spring
  • spring
  • provincetown
  • truro
  • cape cod
  • pilgrims
  • head of the meadows

Great Falls Railroad Historic District

Great Falls founder Paris Gibson envisioned his young city becoming both "a great industrial center" and "a city of unsurpassed beauty." These twin goals converged in the Railroad Historic...

Great Falls founder Paris Gibson envisioned his young city becoming both "a great industrial center" and "a city of unsurpassed beauty." These twin goals converged in the Railroad...

  • great falls
  • paris gibson
  • works progre...
  • great northe...

Later a Tavern and Brothel

Site of Blackman Grocery

Site of Blackman Grocery

  • snohomish
  • washington
  • grocery
  • tavern
  • brothel

Town of Snohomish Historic District

  • washington
  • snohomish

Centennial of Salesians in North Beach

1897     1997 On March 11, 1897 Fr. Raphael Piperni, Fr. Victor Cassini, Bro. Nicholas Imielinski and Bro. Joseph Oreni, Salesians of Saint John Bosco, came to the Italian community of North Beach...

1897     1997 On March 11, 1897 Fr. Raphael Piperni, Fr. Victor Cassini, Bro. Nicholas Imielinski and Bro. Joseph Oreni, Salesians of Saint John Bosco, came to the Italian community of North Beach...

  • san francisco
  • california
  • bay area
  • north beach
  • italian
  • little italy
  • saints peter...
  • washington square
  • salesians
  • catholic
  • centennial

Pirates of Penzance

The building Sullivan finished the Pirates Of Penzance score in before the first dress rehearsal in 1879. Image from Jeff Dailey.

The building Sullivan finished the Pirates Of Penzance score in before the first dress rehearsal in 1879. Image from Jeff Dailey.

  • new york
  • sullivan
  • gilbert
  • pirates
  • penzance

Black Panther Traffic Light

On August 1, 1967 This stoplight was installed as a result of a community initiative spearheaded by the Black Panther Party.

On August 1, 1967 This stoplight was installed as a result of a community initiative spearheaded by the Black Panther Party.

  • oakland
  • bay area
  • california
  • black panthers

First Ship to Enter San Francisco Bay

The first ship to enter San Francisco Bay, the San Carlos (Capt. Ayala), dropped anchor off this point August 5, 1775. Lieut.-Colonel Don Juan Bautista de Anza planted the cross on Cantil Blanco...

The first ship to enter San Francisco Bay, the San Carlos (Capt. Ayala), dropped anchor off this point August 5, 1775. Lieut.-Colonel Don Juan Bautista de Anza planted the cross on Cantil Blanco...

  • san francisco
  • california
  • fort point
  • us army
  • fort
  • pacific ocean
  • san francisco bay
  • bay area
  • dar
  • daughters of...

Clisby Austin House

  • georgia
  • civil war
  • sherman
  • mcpherson

Used for Shipping Lumber and Supplies

This is the approximate site of the first wharf authorized by the townof Oakland and constructed by Horace W. Carpentier at the foot of Main Street (now Broadway) in 1852.The wharf was used for...

This is the approximate site of the first wharf authorized by the townof Oakland and constructed by Horace W. Carpentier at the foot of Main Street (now Broadway) in 1852.The wharf was used...

  • jack london square
  • oakland
  • bay area
  • california

Indians Ceded the Lands from Point Pully to the British Boundary

 1855 - 1930 AT THIS PLACE ON JANUARY 22, 1855GOVERNOR ISAAC I. STEVENSCONCLUDED THE TREATY BY WHICH THEINDIANS CEDED THE LANDS FROM POINT PULLY TO THE BRITISH BOUNDARY. OF THE ONE HUNDRED...

 1855 - 1930 AT THIS PLACE ON JANUARY 22, 1855GOVERNOR ISAAC I. STEVENSCONCLUDED THE TREATY BY WHICH THEINDIANS CEDED THE LANDS FROM POINT PULLY TO THE BRITISH BOUNDARY. OF THE ONE...

  • washington
  • mukilteo
  • indians

Key System Building

This Property The Key System Building has been placed on the National Register of Historic Places by the United States Department of the Interior. Image by LocalWiki contributors from Key_System_Building.

This Property The Key System Building has been placed on the National Register of Historic Places by the United States Department of the Interior. Image by LocalWiki contributors from Key_System_Building.

    Fluchttunnel: Tunnel 57

    Fluchttunnel "Tunnel 57" 1964   The most successful escape tunnel from East to West Berlin during the height of the cold war. 99 PI episode

    Fluchttunnel "Tunnel 57" 1964   The most successful escape tunnel from East to West Berlin during the height of the cold war. 99 PI episode

    • berlin
    • berlin wall
    • cold war
    • 99pi

    Golden Gate Library bell

    This isn't as much a plaque as a bell on display in front of the Golden Gate Branch of the Oakland Public Library. It reads: This bell was cast by Louis DeRome and presented to Oakland Fire...

    This isn't as much a plaque as a bell on display in front of the Golden Gate Branch of the Oakland Public Library. It reads: This bell was cast by Louis DeRome and presented to Oakland...

    • oakland
    • library
    • golden gate
    • bell
    • 1905
    • fire department

    The Defense of the Alamo

    THE DEFENSE OF THE ALAMO "THERMOPYLAE HAD ITS MESSENGER OF DEFEAT;THE ALAMO HAD NONE" THE ALAMO IN 1836 CONSISTED OF THIS CHURCH, THECONVENTS AND A LARGE RECTANGULAR AREA OR PLAZA,AN ENCLOSURE OF...

    THE DEFENSE OF THE ALAMO "THERMOPYLAE HAD ITS MESSENGER OF DEFEAT;THE ALAMO HAD NONE" THE ALAMO IN 1836 CONSISTED OF THIS CHURCH, THECONVENTS AND A LARGE RECTANGULAR AREA OR PLAZA,AN ENCLOSURE...

    • texas
    • alamo
    • defense
    • defeat

    Kepler Spacecraft Plaque

    A plaque on the body of the Kepler Spacecraft listing many of the people involved in the project

    A plaque on the body of the Kepler Spacecraft listing many of the people involved in the project

    • space
    • kepler
    • exoplanet