Ark of Covenant / George Washington / Washington DC

Where is the Ark of Covenant? There are 12 possible locations around the world. Seven locations involve the Knights Templar / Free Masons. Knights Templar was the first elite Christian army assigned to protect the Holy Treasures. They protected people traveling to the Holy City of Jerusalem to see the Temple Mount. Odds favor they were involved in its movement to a safe location. Next history shows the final locations from the seven. Recent history proves the location down to one. Which one of the seven is the correct location? Do we know the exact location as of 2012?