Italy
The Greencastle Road Covered Bridge is a "lost" bridge in the truest of senses, not only is it gone, but the exact records of where, if at all, it existed have been lost to history. Henry Wolf probably built it sometime before 1863 on a section of Greencastle Road that no longer exists.
Listen to the audio guide for Greencastle Road Covered Bridge Free on WIP — starts by itself when you arrive, even with the screen off