Terra incognita

Behold me now in the full career of my voyage of discovery, exploring the James River in the steamboat, on a clear, hot fifteenth of June, and looking with a sagacious perspicacity on the commonest sights of this terra incognita.

The gap that remains in the interior will no doubt be eventually bridged over by railway communication; and thus the great continent will no longer be a terra incognita to the general world, who have hitherto only heard of the splendid country through which the railway will pass, from the reports of telegraph constructionists and overlanding parties.

Unfortunately, this great rocky tableland has of late years become almost a terra incognita to the nature-lover, as a result of the agreement which was made, after prolonged controversy, between the Peak District Society and the grouse-shooting landlords, inasmuch as, while permitting the traveller to skirt the shoulders of the hill, it excluded him wholly from its summit.

The concept of the unconscious or an inner terra incognita, an unknown country of the psyche that precedes and predicates the Cartesian subject, the focal point of rational consciousness, was a revolutionary idea.

How commonly stinging insects encounter this problem is scientific terra incognita.