Appraisal: 1814 Meriwether Lewis & William Clark Map, from Treasures on the Move. In Treasures on the Move, Christopher W. Lane appraises a 1814 Meriwether Lewis & William Clark map.

JACKSON, Miss. — NASA scientists are taking archaeology to new heights, teaming with researchers in Oregon on the 200-year-old trail of explorers Meriwether Lewis and William Clark. NASA’s Stennis ...

Explorer Meriwether Lewis, who joined William Clark to blaze a trail across the continent to the Pacific Ocean, was born Aug. 18, 1774, near Charlottesville, Virginia. Lewis grew up roaming the woods ...

A marker on the Lewis and Clark National Historic Trail in Montana. In 1804, Meriwether Lewis and William Clark began their journey along what is now the Lewis and Clark National Historic Trail. The ...

In summer 1804, Meriwether Lewis and William Clark left St. Louis and embarked on an 8000-mile journey across North America. President Thomas Jefferson had instructed their Corps of Discovery to ...

It’s 1804 on the American frontier. Captain Meriwether Lewis and Second Lieutenant William Clark lead an expedition to explore the west and map a route to the sea. The explorers have assembled a crew ...