Newark Castle - Port Glasgow, Inverclyde
Four views of the castle in Port Glasgow on the south bank of the Clyde.
The buildings next door and to the west are Ferguson's shipyard.
From the shore side, looking north.
That's not lens distortion causing the building to appear to bend
towards the camera.
As you can see in the fourth photo - the overhead view - the tower
is built at an odd angle to the main house section of the castle.
More likely is that the tower was built first and the house part
From offshore, looking south-west.
A more overhead view.
This looking west.