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

Gravity Car

  Gravity Car Mill Valley & Mt. Tamalpais Scenic Railway From 1902 to 1929, gravity cars coasted from the top of Mount Tamalpais down to Mill Valley (8 miles) or to Muir Woods National Monument (7...

  Gravity Car Mill Valley & Mt. Tamalpais Scenic Railway From 1902 to 1929, gravity cars coasted from the top of Mount Tamalpais down to Mill Valley (8 miles) or to Muir Woods National Monument (7...

  • gravity car
  • mill valley
  • marin
  • tam
  • mount tam
  • bay area
  • california

Dedicated to Mechanics

  DEDICATED TO MECHANICS BY JAMES MERVYN DONAHUE IN MEMORY OF HIS FATHER PETER DONAHUE

  DEDICATED TO MECHANICS BY JAMES MERVYN DONAHUE IN MEMORY OF HIS FATHER PETER DONAHUE

  • san francisco
  • california
  • mechanics

Liberty Bell Slot Machine

LIBERTY BELL SLOT MACHINE CHARLES AUGUST FEY BEGAN INVENTING AND MANFAC-TURING SLOT MACHINES IN 1894. FEY PIONEERED MANY INNOVATIONS OF COIN OPERATED GAMING DEVICES IN HIS SAN FRANCISCO WORKSHOP...

LIBERTY BELL SLOT MACHINE CHARLES AUGUST FEY BEGAN INVENTING AND MANFAC-TURING SLOT MACHINES IN 1894. FEY PIONEERED MANY INNOVATIONS OF COIN OPERATED GAMING DEVICES IN HIS SAN FRANCISCO WORKSHOP...

  • san francisco
  • california
  • ecv
  • bay area

California admission fountain

THIS FOUNTAIN IS DEDICATED TO THE NATIVE SONS OF THE GOLDEN WEST TO COMMEMORATE THE ADMISSION OF CALIFORNIA INTO THE UNIONSEPTEMBER THE NINTHANNO DOMINI MDCCCL   "THE UNITY OF OUR EMPIRE HANGS ON...

THIS FOUNTAIN IS DEDICATED TO THE NATIVE SONS OF THE GOLDEN WEST TO COMMEMORATE THE ADMISSION OF CALIFORNIA INTO THE UNIONSEPTEMBER THE NINTHANNO DOMINI MDCCCL   "THE UNITY OF OUR EMPIRE HANGS...

  • san francisco
  • california
  • seward

The four way corner

  • san francisco
  • california
  • rotary

Hearst Building

  • san francisco
  • california
  • hearst

To Remember Christmas Eve

 To remember Christmas Eve 1910 when Louisa Tetrazzi sang to the people of San Francisco on the spot 

 To remember Christmas Eve 1910 when Louisa Tetrazzi sang to the people of San Francisco on the spot 

  • san francisco
  • california
  • italy
  • singing
  • christmas

The Montgomery

THE MONTGOMERY A CATEGORY 1 HISTORIC BUILDING  THIS CLASSIC LANDMARK WAS BUILT IN 1914 AS THE HEADQUARTERS FOR THE SAN FRANCISCO CALL, A LEADING NEWSPAPER OF ITS TIME.  THE BUILDING WAS RESTORED...

THE MONTGOMERY A CATEGORY 1 HISTORIC BUILDING  THIS CLASSIC LANDMARK WAS BUILT IN 1914 AS THE HEADQUARTERS FOR THE SAN FRANCISCO CALL, A LEADING NEWSPAPER OF ITS TIME.  THE BUILDING WAS...

  • san francisco
  • california
  • hotel
  • newspaper

Francis Lightfoot Lee

Submitted by ‏@jqmcd

Submitted by ‏@jqmcd

  • airport
  • dulles
  • architect
  • american revolution

To Tediously Extract Four Bushels: Lewis & Clark Salt Cairn

LEWIS & CLARK SALT CAIRN ON JANUARY 2, 1806, THE SALT WORKS WAS ESTABLISHED BY THE THREE "SALT MAKERS" OF THE LEWIS & CLARKE EXPEDITION, JOSEPH FIELDS, WILLIAM BRATTEN AND GEORGE GIBSON, WHO...

LEWIS & CLARK SALT CAIRN ON JANUARY 2, 1806, THE SALT WORKS WAS ESTABLISHED BY THE THREE "SALT MAKERS" OF THE LEWIS & CLARKE EXPEDITION, JOSEPH FIELDS, WILLIAM BRATTEN AND GEORGE GIBSON,...

  • lewis and clark
  • salt
  • tediously extract
  • kittles
  • jenny michel

Gravity Research Institute: The Blessings Forthcoming

THIS MONUMENT HAS BEEN ERECTED BY THE GRAVITY RESEARCH FOUNDATIONROBERT W. BABSON FOUNDER IT IS TO REMIND STUDENTS OF THE BLESSINGS FORTHCOMING WHEN A SEMI-INSULATOR IS DISCOVERED IN ORDER TO...

THIS MONUMENT HAS BEEN ERECTED BY THE GRAVITY RESEARCH FOUNDATIONROBERT W. BABSON FOUNDER IT IS TO REMIND STUDENTS OF THE BLESSINGS FORTHCOMING WHEN A SEMI-INSULATOR IS DISCOVERED IN ORDER...

  • tufts
  • babson
  • gravity
  • airplanes
  • semi-insulator

Salvo d'Acquisto

The plaque reads: Largo (no translation for this but meaning: large open space) Salvo d'Acquisto, Vice brigadier of the Italian Police squad. Gold medal for military matters 1920-1943. Salvo is an...

The plaque reads: Largo (no translation for this but meaning: large open space) Salvo d'Acquisto, Vice brigadier of the Italian Police squad. Gold medal for military matters 1920-1943. Salvo is...

  • wwii
  • italy
  • milan

Thomas Burke

1849 - 1925THOMAS BURKE PATRIOT JURIST ORATOR FRIEND PATRON OF EDUCATION FIRST IN EVERY MOVEMENT FOR THE ADVANCEMENT OF THE CITY AND THE STATE SEATTLES FOREMOST AND BEST BELOVED CITIZEN  ...

1849 - 1925THOMAS BURKE PATRIOT JURIST ORATOR FRIEND PATRON OF EDUCATION FIRST IN EVERY MOVEMENT FOR THE ADVANCEMENT OF THE CITY AND THE STATE SEATTLES FOREMOST AND BEST BELOVED CITIZEN...

  • seattle
  • washington
  • volunteer park
  • word wrap

These Lily Ponds

These Lily Ponds were restored in 2003 by Seattle Parks Foundation and  Seattle Parks and Recreation during the Centennial Celebration of Seattle's Olmsted Parks System with a generous donation...

These Lily Ponds were restored in 2003 by Seattle Parks Foundation and  Seattle Parks and Recreation during the Centennial Celebration of Seattle's Olmsted Parks System with a generous donation...

  • seattle
  • washington
  • volunteer park
  • lily pads
  • japan
  • olmsted

Volunteer Park

    VOLUNTEER PARK RENAMED 1901 IN TRIBUTE TO THE VOLUNTEER SERVICES OF SPANISH-AMERICAN WAR VETERANSWHO LIBERATED THE OPPRESSED PEOPLES OF CUBA, PUERTO RICO AND THE PHILIPPINE ISLANDSAPRIL 1898 -...

    VOLUNTEER PARK RENAMED 1901 IN TRIBUTE TO THE VOLUNTEER SERVICES OF SPANISH-AMERICAN WAR VETERANSWHO LIBERATED THE OPPRESSED PEOPLES OF CUBA, PUERTO RICO AND THE PHILIPPINE ISLANDSAPRIL 1898 -...

  • washington
  • seattle
  • lest we forget

Clifton's Historic Neon

  Neon lights that have been on for 77 years: article Courtesy https://www.instagram.com/quincetessence/

  Neon lights that have been on for 77 years: article Courtesy https://www.instagram.com/quincetessence/

  • neon
  • 99pi
  • california
  • los angeles
  • dtla

First Tonopah Cemetary

FIRST TONOPAH CEMETERY 1901 * 1911BURRIED HERE ARE MANY OF TONOPAHS [sic] PIONEER RESIDENTS INCLUDING 14 VICTIMS OF THE TONOPAH-BELMONT MINE FIRE OF FEB. 23, 1911, AS WELL AS THE VICTIMS OF THE...

FIRST TONOPAH CEMETERY 1901 * 1911BURRIED HERE ARE MANY OF TONOPAHS [sic] PIONEER RESIDENTS INCLUDING 14 VICTIMS OF THE TONOPAH-BELMONT MINE FIRE OF FEB. 23, 1911, AS WELL AS THE VICTIMS OF THE...

  • nevada
  • tonopah
  • plague

Lookout Studio

  • grand canyon
  • arizona
  • todo

Bright Angel Lodge

  • grand canyon
  • arizona
  • todo

Cambrian Explosion

  • london
  • england
  • cambrian
  • biology