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.

“Reimagining America: The Maps of Lewis and Clark” will be on display at the Lewis and Clark Interpretive Center in Great Falls through Dec. 4 to share some of the ...

Map of of the Western portion of Lewis and Clark's expedition | Historical/GettyImages. Jefferson accepted the deal without consulting anyone; Monroe and Livingston signed the Louisiana Purchase ...

The letter of Thomas Jefferson addressed to Paul Alien of Philadelphia forms the exact introduction to that famous work, the "History of the expedition, under the command of Capts, Lewis and Clark ...

On Nov. 15, 1805, the Lewis and Clark Expedition reached the shores of the Pacific Ocean a year and a half after starting out from St. Louis, Missouri.The explorers poled keelboats and sometimes ...

Introduction to Lewis and Clark. This video offers an overview of the expansion of the United States in 1803 through the Louisiana Purchase and the two-year expedition of Meriwether Lewis and ...

From an office in New London, Titanic discoverer Bob Ballard is overseeing a $200 million mission to map oceans and identify resources such as oil, gas and rare earth minerals.

In a daring effort, Lewis and Clark sent five men to the beach to collect seawater for salt production — a 15-to-18-mile trek ...

In a daring effort, Lewis and Clark sent five men to the beach to collect seawater for salt production — a 15-to-18-mile trek, now known as the Salt Camp Trail.

Vol. VII. of the regular edition of the "Original Journals of the Lewis and Clark Expedition," edited by Reuben Gold Thwaites, which Dodd. Mead & Co. publish, is now being sent out.