No, that’s not a photoshopped image or an image superimposed over another, it really is a sculpture.
It is by New Zealand artist Neil Dawson and is called ‘Horizons’.
Dawson is known for his surreal, 3D sculptures.
Here is some more of his art . . .
The Chalice, Cathedral Square, Christchurch
Fanfare suspended off the Sydney Harbour Bridge
Ripples, 1987, The Waikato Museum of Art & History, Hamilton, New Zealand