Lake Superior had many large islands in Robert Morden's 1698 map and John Senex' similar map of 1719. Even Guillaume de l'isle's map of 1718 showed an elevated plain.

The maps, of course, depict a mistake: They show California as an island off the coast of North America, reflecting the beliefs of some explorers and cartographers from the 17th and 18th centuries.

In the Age of Exploration, early European mapmakers depicted California as a massive island drifting off the west coast of North America. This cartographic error persisted for nearly two centuries, ...

The 650-year-old map shows two long lost islands. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A faded medieval map of Britain may ...

Ireland's Aran Islands: Old maps and dead clams help solve coastal boulder mystery Date: April 30, 2012 Source: University of Chicago Press Journals ...

The Diaoyu Islands are marked as "Haoyusu" in an old map displayed at the spring auction of Xiling Academy of Traditional Arts' in Hangzhou, Zhejiang province, May 1, 2014. [Photo/CCTV news via ...

Maps dating back to the early Spanish colonial period, which were the standard references for explorers and travelers and acknowledged by governments and regimes, clearly show Panatag Shoal, also ...

The Spratly Islands are a disputed archipelago in the South China Sea composed of islands, islets, cays and more than 100 reefs. They lie off the coasts of the Philippines, Malaysia and southern ...