Time and the harsh Dry Tortuga environment have not been kind to historic Fort Jefferson - the key landmark in the U.S Park Service's Dry Tortugas National Park. Plus it's inherent defense mechanisms - state of the art at the time - have conspired to crumble its structure. This National Park video explains the process to stabilize Fort Jefferson and why this is important. This project is funded by the American Recovery & Reinvestment Act (ARRA).