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

The Naval Station

Although this land was purchased by the U.S. Government from Jean P. Dupiere in 1849 as a proposed Navy Yard, a U.S. Naval Station was not formally established here until 1901 when a dry dock...

Although this land was purchased by the U.S. Government from Jean P. Dupiere in 1849 as a proposed Navy Yard, a U.S. Naval Station was not formally established here until 1901 when a dry dock...

  • louisiana
  • military

Mechanickham

Founded in 1836 by Nicholas Noel Destrehan, Mechanickham was originally part of the Spanish land grant to the Ursuline nuns in 1790. It was incorporated with the villages of Gretna and...

Founded in 1836 by Nicholas Noel Destrehan, Mechanickham was originally part of the Spanish land grant to the Ursuline nuns in 1790. It was incorporated with the villages of Gretna...

  • louisiana

Gouldsboro Rail Car Transfer Ferry

Ferry operated from 1898 to 1942 with two transfer boats. One, the Gouldsboro, named for railroad magnate Jay Gould, was built in 1863 as the Federal Monitor Chickasaw and saw action at the Battle...

Ferry operated from 1898 to 1942 with two transfer boats. One, the Gouldsboro, named for railroad magnate Jay Gould, was built in 1863 as the Federal Monitor Chickasaw and saw action at the Battle...

  • louisiana
  • rail

Skirmish at Haguewood Prairie

In late September 1863, Confederate Col. J.O. Shelby's cavalry headed north to raid into Missouri. On Sept. 27, 1863, Shelby's scouts found Co. H, 1st Arkansas Infantry (U.S.) camped at Haguewood...

In late September 1863, Confederate Col. J.O. Shelby's cavalry headed north to raid into Missouri. On Sept. 27, 1863, Shelby's scouts found Co. H, 1st Arkansas Infantry (U.S.) camped at Haguewood...

  • arkansas
  • civil war

Stumpf's Magic Hoodoo

Established in 1876, John Stumpf's Son Co. manufactured insecticides which aided the successful completion of the Panama Canal. In 1915 "Magic Hoodoo" products received the Medal of Award at the...

Established in 1876, John Stumpf's Son Co. manufactured insecticides which aided the successful completion of the Panama Canal. In 1915 "Magic Hoodoo" products received the Medal of Award at the...

  • louisiana

Eiffel Tower Park

Eiffel Tower Park was established in 2014 on the West side of the Paris town square. The Eiffel Tower was a gift to the city by a former resident and pastor, Don Eubanks. A 7 foot water feature...

Eiffel Tower Park was established in 2014 on the West side of the Paris town square. The Eiffel Tower was a gift to the city by a former resident and pastor, Don Eubanks. A 7 foot water...

  • arkansas

Place De La Croix

In 1823 the first Church of St. Mary of False River was built, and at that time a cross was erected on the banks of False River. It stood on this spot for many years as a sign to all of the life...

In 1823 the first Church of St. Mary of False River was built, and at that time a cross was erected on the banks of False River. It stood on this spot for many years as a sign to all of the life...

  • louisiana
  • religion

William Bartram Trail - Traced 1773-1777

In 1775, Bartram crossed the Mississippi to visit Pointe Coupée, the westernmost point reached in his travels.

In 1775, Bartram crossed the Mississippi to visit Pointe Coupée, the westernmost point reached in his travels.

  • louisiana
  • nature

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