A gigantic map of all the cool plaques in the world. A project of 99% Invisible. Logo by Chop Shop

The World’s First Nuclear Reactor

The World’s First Nuclear Reactor was rebuilt at this site in 1943 after initial operation The University of Chicago.This reactor (CP-2) and the first heavy water moderated reactor (CP-3) were major ...

The World’s First Nuclear Reactor was rebuilt at this site in 1943 after initial operation The University of Chicago.This reactor (CP-2) and the first heavy water moderated reactor (CP-3) were major ...

    Napa Valley College North Gym

      First A.M.E. Church of Oakland

        Charles Goodnight, Rancher and Trailblazer

        Born in Illinois, Charles Goodnight (1836-1929) was brought to Milam County, Texas, as a child. He grew up on the frontier, becoming a ranger and Indian scout. During the Civil War, he served as a ...

        Born in Illinois, Charles Goodnight (1836-1929) was brought to Milam County, Texas, as a child. He grew up on the frontier, becoming a ranger and Indian scout. During the Civil War, he served as ...

        • charles goodnig...
        • oliver loving
        • texas
        • cattle drives
        • lonesome dove
        • larry mcmurtry

        Parking Facility No. 2

        PARKING FACILITY No.2 GROUNDBREAKING FEBRUARY 14, 1989 RICHARD DODDERIDGE, CHAIRMAN KANSAS BOARD OF REGENTS GENE A. BUDIG, CHANCELLOR. THE UNIVERSITY OF KANSAS Submitted by @ctsinclair

        PARKING FACILITY No.2 GROUNDBREAKING FEBRUARY 14, 1989 RICHARD DODDERIDGE, CHAIRMAN KANSAS BOARD OF REGENTS GENE A. BUDIG, CHANCELLOR. THE UNIVERSITY OF KANSAS Submitted by @ctsinclair

          Coyote Dentures

            1796 Nathan Beman Homestead

            1796 Nathan Beman Homestead On this site Constructed a log cabin Remains of foundation and chimney are seen. Chateaugay Historical Soc.Submitted by Alan R. Reno

            1796 Nathan Beman Homestead On this site Constructed a log cabin Remains of foundation and chimney are seen. Chateaugay Historical Soc.Submitted by Alan R. Reno

            • beman
            • 1796 alan r ren...
            • chateaugay ny.
            • settlers
            • log cabin

            The Great Star Fleet

              Hyde Street Pier Was Part of Highway 101

                Scow Schooner Alma

                  Hicks Engine

                    West Coast Wooden Shipbuilding

                      Steam Tug Hercules

                        Workin' on the Railroad

                          Towing in the Open Ocean

                            Convict Lake Tragedy, 1990

                            On February 19, 1990, a tragedy occurred at this site. Three boys from a local youth camp fell through the ice. Two counselors, David Myers and Randy porter, U.S. Forest Service employee Clay Cutter, ...

                            On February 19, 1990, a tragedy occurred at this site. Three boys from a local youth camp fell through the ice. Two counselors, David Myers and Randy porter, U.S. Forest Service employee Clay Cutter, ...

                            • eastern sierra
                            • sierra nevada
                            • convict lake
                            • drownings

                            McGee Mountain Rope Tow

                            McGee Mountain Rope Tow   The first permanent rope tow in the Eastern Sierra was built west of this site on the east slope of the McGee Mountain. This predecessor of Mammoth Mountain ski area was ...

                            McGee Mountain Rope Tow   The first permanent rope tow in the Eastern Sierra was built west of this site on the east slope of the McGee Mountain. This predecessor of Mammoth Mountain ski area ...

                            • california
                            • eastern sierra
                            • dave mccoy
                            • mammoth mountai...
                            • dave mccoy
                            • ecv

                            Parihaka Memorial 1848

                            "This plaque was originally planned to extravagantly praise Dunedin, but now I want to remember the Maori passive resisters, abducted from Parihaka, shipped to Dunedin, held without trial, ...

                            • parihaka
                            • passive resista...
                            • colonisation
                            • maori
                            • new zealand
                            • dunedin
                            • public works
                            • prisoners
                            • heritage new ze...
                            • shistoric place...

                            Independence, California: Mary Austin's House

                               

                                "But if ever you come beyond the borders as far as the town that lies in a hill dimple at the foot of Kearsarge, never leave it until you have knocked at the door of the brown house under ...

                            • mary austin
                            • california writ...
                            • inyo county
                            • independence
                            • eastern sierra
                            • california
                            • owens valley

                            Engine #18, Carson & Colorado Railroad

                              An oil burning steam locomotive, built by Baldwin in 1911, was purchased by the Southern Pacific R.R. in 1928 to haul passengers and freight along the 300 mile narrow gauge line, known locally as ...

                              An oil burning steam locomotive, built by Baldwin in 1911, was purchased by the Southern Pacific R.R. in 1928 to haul passengers and freight along the 300 mile narrow gauge line, known locally as ...

                            • owens valley
                            • independence
                            • inyo county
                            • eastern sierra
                            • california
                            • railroads

                            Edmund Schulman Memorial Grove

                            Edmund Schulman Professor of Dendrochronology   A pioneer of modern tree-ring dating, Dr. Schulman conducted research on bristlecone pines here in the White Mountains for many years, eventually ...

                            Edmund Schulman Professor of Dendrochronology   A pioneer of modern tree-ring dating, Dr. Schulman conducted research on bristlecone pines here in the White Mountains for many years, ...

                            • bristlecone pin...
                            • white mountains
                            • inyo county
                            • california

                            Blue Star Memorial Highway-Manzanar

                              These Blue Star Memorial Highway signs seem ubiquitous and may not typically qualify as plaques. I'd argue that this particular one does. It's just outside Manzanar, the site of the World War II ...

                              These Blue Star Memorial Highway signs seem ubiquitous and may not typically qualify as plaques. I'd argue that this particular one does. It's just outside Manzanar, the site of the World War II ...

                            • manzanar
                            • world war ii
                            • internment
                            • owens valley
                            • eastern sierra
                            • inyo county
                            • california. u.s...
                            • blue star memor...

                            Westgaard Pass Toll Road

                            Camp Independence soldiers needed a road to Waugoba-Deep Spring. In 1873, J.S. 'Scott' Broder completed this road and collected tolls until 1900. In 1913, A.L. Westgaard led an American Automobile ...

                            Camp Independence soldiers needed a road to Waugoba-Deep Spring. In 1873, J.S. 'Scott' Broder completed this road and collected tolls until 1900. In 1913, A.L. Westgaard led an American Automobile ...

                            • big pine
                            • westgaard pass
                            • bristlecone pin...
                            • white mountains
                            • eastern sierra
                            • inyo county
                            • california

                            1872 Owens Valley Earthquake

                            On the date of March 26, 1872, an earthquake of major proportions shook Owens Valley and nearly destroyed the town of Lone Pine. Twenty seven persons were killed. In addition to single burials, 16 of ...

                            On the date of March 26, 1872, an earthquake of major proportions shook Owens Valley and nearly destroyed the town of Lone Pine. Twenty seven persons were killed. In addition to single burials, 16 of ...

                            • lone pine
                            • inyo county
                            • eastern sierra
                            • california
                            • earthquakes

                            On Lok House