The cañon was at that time a terra incognita to these cattlemen of the Panhandle.
The country we now plunged into, as may be guessed, was a terra incognita to me.
This part of the Villa Camellia was terra incognita to the school.
It was terra incognita to me; I had never entered these rooms before.
With this account of it as a terra incognita, the explorers ceased to advance.
In my first paper I said that these hills were a terra incognita to the tourist.
The interior of Sardinia has been hitherto a kind of "terra incognita."
Into what remote corners or into what terra incognita might she not wander!
One can only speak vaguely of detail, as this is still a terra incognita.
There is the same fear of the terra incognita in literature that there is in nature.