Top of page
Posted by: Cynthia Smith
The title of this post does not refer to the science fiction novel of the same name by Jules Verne. It refers to the phantom island Frisland which was commonly shown on maps of the North Atlantic Ocean during the 16th and 17th centuries. Frisland never existed, however, cartographers believed that the island was real …
Posted in: 16th century cartography, 17th century cartography, 18th century cartography, Exploration
Posted by: Ed Redmond
The collections of the Library of Congress include thirteen early nautical or portolan charts published between 1320 and 1734. Cartographic historians and map librarians are familiar with these early charts. But what, exactly, is a “portolan” chart? This post will attempt to address a few of the basic ideas revolving around these early nautical charts. …
Posted in: Exploration
Posted by: Julie Stoner
Spewing lava and gas from deep within the earth, volcanoes are one of nature’s most explosive natural features. Thousands of volcanoes dot the planet but only about 1,500 are considered active, meaning they have erupted at some point in the last 10,000 years. The largest of these active volcanoes in both mass and volume is …
Posted in: Exploration, Physical Geography, Series: Extremities of the Earth