The narrative follows the author's voyage to Iceland and a sequence of journeys across its settlements and interior, blending travel anecdotes with historical and linguistic notes. It sketches the island's discovery and legal assemblies, describes Reykjavik and Thingvalla, and records dramatic geological features such as geysers, hot springs, caverns, and a volcanic peak. Rural travel scenes detail horseback riding, fishing, local hospitality, and everyday life, while chapters discuss natural history, fauna, agriculture, exports, and Icelandic language and customs. Interspersed are vivid descriptions of atmosphere and scenery, practical observations on travel and lodging, and reflections on the literature and character of the inhabitants.