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

The Hihn Building

    Buchanan Downtown / Buchanan Downtown

    Commerce and industry have characterized the Buchanan Downtown Historic District since mill owner Charles Cowles settled here in the 1830s. McCoy’s Creek supplied millraces and more than fifteen...

    Commerce and industry have characterized the Buchanan Downtown Historic District since mill owner Charles Cowles settled here in the 1830s. McCoy’s Creek supplied millraces and more than fifteen...

    • michigan
    • michigan his...

    Saint Andre

      Saint Paul's Square

        The History of Surfing

          Sam DeMasi

            Diorama de Daguerre

            Here stood from 1822 to 1839 Daguerre's Diorama and his laboratory where by perfecting the invention of Joseph Nicéphore Niépce he discovered Daguerréotype @schwanmitbrille

            Here stood from 1822 to 1839 Daguerre's Diorama and his laboratory where by perfecting the invention of Joseph Nicéphore Niépce he discovered Daguerréotype @schwanmitbrille

            • paris
            • daguerre
            • photographie
            • 1822
            • 1839
            • joseph nicép...
            • france

            Constructed by Works Progress Administration 1937

              Dona Dolores "Lola" Chavez de Armijo

              Doña Dolores "Lola" Chávez de Armijo (1858-1929) In 1912, State Librarian Lola Chávez de Armijo filed a gender discrimination law suit after the governor sought to replace her by court order,...

              Doña Dolores "Lola" Chávez de Armijo (1858-1929) In 1912, State Librarian Lola Chávez de Armijo filed a gender discrimination law suit after the governor sought to replace her by court...

              • gender discr...
              • 1912
              • librarian

              Dick Whitwell

              DICK WHITWELL 1956-2011 A LIFELONG PROFESSIONAL RAILWAYMAN WHO WITHIN THE THAMESLINK PROJECT TEAM HELPED TRANSFORM RAIL TRAVEL THROUGH THE HEART OF CENTRAL LONDON THESE STONES WERE PART OF THE...

              DICK WHITWELL 1956-2011 A LIFELONG PROFESSIONAL RAILWAYMAN WHO WITHIN THE THAMESLINK PROJECT TEAM HELPED TRANSFORM RAIL TRAVEL THROUGH THE HEART OF CENTRAL LONDON THESE STONES WERE PART OF...

                Phoenix Iron Works

                Approx. 200 feet SW of this site, cast first gun for the Confederate Navy on 4 May 1861. The gun, a Dalhgren cannon, fired an 8~inch diameter explosive shell. Sylvester Bennett was proprietor.

                Approx. 200 feet SW of this site, cast first gun for the Confederate Navy on 4 May 1861. The gun, a Dalhgren cannon, fired an 8~inch diameter explosive shell. Sylvester Bennett was proprietor.

                • louisiana
                • civil war

                U.S. Army Model 1819 24-pounder Gun

                River Battery No. 7, which was also called the "Hot Shot Battery", had two 24 pounder smooth bore guns. The gunners of the 1st Tennessee Artillery Battalion who used these cannons heated the solid...

                River Battery No. 7, which was also called the "Hot Shot Battery", had two 24 pounder smooth bore guns. The gunners of the 1st Tennessee Artillery Battalion who used these cannons heated the...

                • louisiana
                • civil war

                Southern Pacific Railroad Yards

                Located between Atlantic and Thayer Sts., established in 1853, the S.P.R.R. Yards extended back 22 blocks, at its peak employed 4,000 men. Trains would board a ferry to cross the river and...

                Located between Atlantic and Thayer Sts., established in 1853, the S.P.R.R. Yards extended back 22 blocks, at its peak employed 4,000 men. Trains would board a ferry to cross the river...

                • louisiana

                U.S. Navy Model 1845 32-pounder Gun

                Confederate River Batteries Nos. 5 and 10 each had one 32-pounder gun. These guns had smooth bores, were not rifled, and could fire a solid shot and explosive shell cannon balls. This solid shot...

                Confederate River Batteries Nos. 5 and 10 each had one 32-pounder gun. These guns had smooth bores, were not rifled, and could fire a solid shot and explosive shell cannon balls. This solid shot...

                • louisiana
                • civil war

                College Point Pharmacy

                College Point Pharmacy Convent, Louisiana Established in the late nineteenth century, the pharmacy was relocated to this building in 1934, constructed by Louis Aristeé Poché Pharmacist and then...

                College Point Pharmacy Convent, Louisiana Established in the late nineteenth century, the pharmacy was relocated to this building in 1934, constructed by Louis Aristeé Poché Pharmacist and then...

                • louisiana
                • commerce

                Bald Cypress

                Louisiana State Tree. Some are believed to have lives 800-1200 years. The height could be 130' to 150'. Lutcher, LA was a bustling town with a huge sawmill in the 20's.

                Louisiana State Tree. Some are believed to have lives 800-1200 years. The height could be 130' to 150'. Lutcher, LA was a bustling town with a huge sawmill in the 20's.

                • louisiana
                • nature

                U.S.Navy Model 1816 42-pounder Guns

                The Confederates had three 42-pounder guns. There was one gun each in River Batteries Nos. 2, 3 and 5. These guns remained on the river front for the duration of the siege. This solid shot is 6.6...

                The Confederates had three 42-pounder guns. There was one gun each in River Batteries Nos. 2, 3 and 5. These guns remained on the river front for the duration of the siege. This solid shot is...

                • louisiana
                • civil war

                California State Railroad Museum

                  William E. Moore Historic City Hall

                    Jeremiah Cronin Jr. House / John Bellairs

                    This picturesque residence was erected in 1872 for Marshall merchant Jeremiah Cronin Jr. and his wife, Susan. Local contractor Frederick N. Church constructed this house, as well as Cronin’s 1869...

                    This picturesque residence was erected in 1872 for Marshall merchant Jeremiah Cronin Jr. and his wife, Susan. Local contractor Frederick N. Church constructed this house, as well as Cronin’s...

                    • michigan
                    • michigan his...