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

Ohhhh, the Salem Oak...

From the Flickr group Historical Markers, photo by fixedgear, full page.License is Attribution-NonCommercial-ShareAlike License

From the Flickr group Historical Markers, photo by fixedgear, full page.License is Attribution- NonCommercial-ShareAlike License

    Lincoln Under Fire

    From the Flickr group Historical Markers, photo by AlbinoFlea, full page.License is Attribution-NonCommercial License

    From the Flickr group Historical Markers, photo by AlbinoFlea, full page.License is Attribution- NonCommercial License

      Eira in September

      From the Flickr group Historical Markers, photo by hugovk, full page.License is Attribution-NonCommercial-ShareAlike License

      From the Flickr group Historical Markers, photo by hugovk, full page.License is Attribution- NonCommercial-ShareAlike License

        Church was Robbed March 1840

        From the Flickr group Historical Markers, photo by hugovk, full page.License is Attribution-NonCommercial-ShareAlike License

        From the Flickr group Historical Markers, photo by hugovk, full page.License is Attribution- NonCommercial-ShareAlike License

          1836 stocks sign

          From the Flickr group Historical Markers, photo by hugovk, full page.License is Attribution-NonCommercial-ShareAlike License

          From the Flickr group Historical Markers, photo by hugovk, full page.License is Attribution- NonCommercial-ShareAlike License

            Fort DeRussy

            From the Flickr group Historical Markers, photo by AlbinoFlea, full page.License is Attribution-NonCommercial License

            From the Flickr group Historical Markers, photo by AlbinoFlea, full page.License is Attribution- NonCommercial License

              Dumbarton House Plaque

              From the Flickr group Historical Markers, photo by AlbinoFlea, full page.License is Attribution-NonCommercial License

              From the Flickr group Historical Markers, photo by AlbinoFlea, full page.License is Attribution- NonCommercial License

                Peirce Mill

                From the Flickr group Historical Markers, photo by AlbinoFlea, full page.License is Attribution-NonCommercial License

                From the Flickr group Historical Markers, photo by AlbinoFlea, full page.License is Attribution- NonCommercial License

                  Kutz Bridge Plaque

                  From the Flickr group Historical Markers, photo by AlbinoFlea, full page.License is Attribution-NonCommercial License

                  From the Flickr group Historical Markers, photo by AlbinoFlea, full page.License is Attribution- NonCommercial License

                    Commemorative Plaque on Exterior of the Barney Studio House/Embassy of Latvia

                    From the Flickr group Historical Markers, photo by AlbinoFlea, full page.License is Attribution-NonCommercial License

                    From the Flickr group Historical Markers, photo by AlbinoFlea, full page.License is Attribution- NonCommercial License

                      Sir Sandford Fleming

                      From the Flickr group Historical Markers, photo by duncan, full page.License is Attribution-NonCommercial License

                      From the Flickr group Historical Markers, photo by duncan, full page.License is Attribution- NonCommercial License

                        Shetland Bus

                        From the Flickr group Historical Markers, photo by duncan, full page.License is Attribution-NonCommercial License

                        From the Flickr group Historical Markers, photo by duncan, full page.License is Attribution- NonCommercial License

                          Routon Mounds

                           Routon has 7 mounds on the west bank of the Ouachita River. The 4 largest are rectangular with flat tops. The other 3 are dome shaped and less than 2 feet tall. The mound visible from the road is...

                           Routon has 7 mounds on the west bank of the Ouachita River. The 4 largest are rectangular with flat tops. The other 3 are dome shaped and less than 2 feet tall. The mound visible from the road is...

                            Fort Beauregard

                             One-half mile west was one of four forts built by Confederates in May, 1863 to prevent the ascent of Federal gunboats on the Ouachita River. It was abandoned 1863, but was reoccupied in 1864.

                             One-half mile west was one of four forts built by Confederates in May, 1863 to prevent the ascent of Federal gunboats on the Ouachita River. It was abandoned 1863, but was reoccupied in 1864.

                            • louisiana
                            • civil war

                            McGuffee Mounds

                            McGuffee has as many as 6 mounds on the west bank of the Ouachita River. Several of the mounds are well preserved and visible from the road. A C-shaped earthen ridge encloses the mounds....

                            McGuffee has as many as 6 mounds on the west bank of the Ouachita River. Several of the mounds are well preserved and visible from the road. A C-shaped earthen ridge encloses the...

                            • louisiana
                            • native american

                            Tew Lake Mounds

                            Tew Lake has 3 small, irregularly shaped mounds. The 2 in pasture on the south side of Routon Road are almost 4 feet tall. The one north of Routon Road has been reduced in height by plowing and is...

                            Tew Lake has 3 small, irregularly shaped mounds. The 2 in pasture on the south side of Routon Road are almost 4 feet tall. The one north of Routon Road has been reduced in height by plowing and...

                            • louisiana
                            • native american

                            Troyville Earthworks (#2)

                             An earthen wall and 9 mounds were once a prominent part of the landscape here. Early explorers described the largest mound or "Great Mound" as being 82 feet high, the tallest mound known in...

                             An earthen wall and 9 mounds were once a prominent part of the landscape here. Early explorers described the largest mound or "Great Mound" as being 82 feet high, the tallest mound known in...

                            • louisiana
                            • native american

                            Troyville Earthworks (#1)

                            The 82-foot-tall "Great Mound" of Troyville once stood here. In 1936, Archaeologist Winslow Walker made this diagram, depicting the size and shape of the mound. Today, only 3 feet of mound fill remains.

                            The 82-foot-tall "Great Mound" of Troyville once stood here. In 1936, Archaeologist Winslow Walker made this diagram, depicting the size and shape of the mound. Today, only 3 feet of mound fill remains.

                            • louisiana
                            • native american

                            DePrato Mounds

                            DePrato has 5 dome-shaped mounds, 3 of which are clearly seen from the road. Flooding has covered the ground and lower portions of the mounds with 2½ feet of sediment. Thus, the mounds appear...

                            DePrato has 5 dome-shaped mounds, 3 of which are clearly seen from the road. Flooding has covered the ground and lower portions of the mounds with 2½ feet of sediment. Thus, the mounds...

                            • louisiana
                            • native american

                            Wirt Adams's Raid

                            On December 1, 1863, Confederate Brig. Gen. Wirt Adams moved his cavalry from Gallatin to retake Natchez. Finding the city heavily fortified with Union infantry and heavy artillery, Adams moved...

                            On December 1, 1863, Confederate Brig. Gen. Wirt Adams moved his cavalry from Gallatin to retake Natchez. Finding the city heavily fortified with Union infantry and heavy artillery, Adams...

                            • mississippi
                            • civil war