Maps discussion
National Geographic Maps hub including map products and stories about maps and mapmaking. Biography, timeline and voyages of 17th century mariner, explorer and adventurer, Henry Hudson and his search for the Northeast Passage and Northwest Passage. With Maps you can get directions with real-time traffic information, explore new places, save your favorite locations Text-Format Discussions Prognostic Discussion: Graphics Maps Map Legend 500mb Heights Anomalies Hawaiian Outlook Anomalies.