2. The Time The USS Intrepid Was Unable to Be Moved
During renovations to the USS Intrepid in 2006, it was discovered that the ship was immovable. After 24 years in this location, mud and silt had accumulated under the carrier. The first attempt to pull the ship from port resulted in a $3 million project to remove the obstruction. While initial efforts of the second tug almost failed, they were able to get the Intrepid out of the New York harbor, according to The New York Times. The Intrepid was renovated at the dry docks at Brooklyn Navy Yard.
Here is a time lapse of the Intrepid going into the dry dock: