Almost 221 years ago, in 1804, Lewis and Clark headed west under the commission of President Thomas Jefferson, to see what we ...

Captain Meriwether Lewis departed from Fort Fayette, today’s Pittsburgh, in the keelboat the Corps of Discovery would take up the Missouri River and, six weeks later, arrived at the Falls of the Ohio ...

This medal is one of only three, four-inch peace medals taken on the expedition and given to the most important leaders.

The Academy of Natural Sciences in Philadelphia preserves 200-year-old plant specimens collected by Lewis and Clark during their expedition, with select items to be displayed in 2026.

When the Lewis & Clark Expedition arrived at Fort Clatsop, men were sent to the beach to extract salt from seawater to preserve food. That trek has been recreated.

Jim Paunicka of Belle Rive, Missouri listens to a presentation on Lewis and Clark Expedition clothing during the Arrival event over the weekend at Lewis and Clark State Historic Site.

Caught in this tawdry tangle of sometimes violent and horrific, sometimes glorious and heroic history are Meriwether Lewis and William Clark, whose 19th century US Army unit Corps of Discovery ...

Every school child has studied the Lewis and Clark expedition that traversed the country by proceeding up the Missouri River and across the Rockies to the Pacific Ocean.

A group of Lewis and Clark enthusiasts put on a reenactment in Nebraska city on Tuesday, of the team’s famous 1804 journey across the American west.

On Sept. 23, 1806, U.S. explorers Meriwether Lewis and William Clark returned to St. Louis on their historic journey from the Mississippi River to the Pacific Coast and back.

A group of history reenactors, including William Clark's great-great-great-great-grandson Churchill Clark, retraced the Lewis and Clark Trail while teaching anyone they could about the way of life ...