From the Journals of Captain James Cook. (The author shared the same vantage from sea as Captain James Cook, 207 years earlier.)
"These hills lay but a little way inland, and not far from Each other; they are very remarkable on account of their Singular form of Elivation, which very much resembles Glass Houses, which occasioned my giving them that Name."
The Voyage of the Endeavour, 17 May 1770 (Ch. 14, pg.143)