Following the path of Lewis and Clark’s 1804-1806 expedition and preparatory trips, the trail runs from Pittsburgh to the mouth of the Columbia River in Oregon.

BLOOMFIELD, Mo. -- To help commemorate the bicentennial of the Lewis and Clark expedition, the state of Missouri commissioned a series of 20 maps to represent how the pristine territory would have ...

From 1804-1806, Meriwether Lewis and William Clark led the "Corps of Discovery" on a journey to the Pacific Ocean to map out the newly acquired Louisiana Territory. Their primary objective was to ...

A long-missing map, hand-drawn by William Clark of the 1803-1806 Lewis and Clark Expedition, has been rediscovered, apparently misfiled in historical archives.

Lewis and Clark also documented a wealth of information about the continent west of the Mississippi River in their journals and maps of their travels, including the regional geology, flora and fauna.

When they began their journey up the Missouri River on May 14, 1804, Lewis and Clark had the benefit of maps and information that Lewis had coaxed out of experienced fur traders in St. Louis.

Clark s map was accurate enough that it s easy to figure out where Bozeman, Livingston and other landmarks are, said Tom Olson of Bozeman Granite Works. He used a computer to enlarge the map from ...