The man was Meriwether Lewis, half of the leadership team of the famous Corps of Discovery. Along with Capt. William Clark, Lewis helmed an expedition totaling 42 hardy souls as they embarked from ...

Today's guest botanist Rick McCourt tells the story of Lewis and Clark's collection of plant samples that went on a wild ...

President Thomas Jefferson engineered the purchase of Louisiana from the French (800,000 square miles for 15 million dollars) ...

Fort Lewis, named after Meriwether Lewis of the famed Lewis and Clark expedition, is one of the largest and most modern military reservations in the United States. Consisting of 87,000 acres of ...

During the expedition, Lewis acted more like the ... for their horrid crimes,” he wrote his 23-year-old son, Meriwether Lewis Clark, then aide-decamp to Army Gen. Henry Atkinson In August ...

We begin this month with Jefferson’s June 20, 1803, directive to Meriwether Lewis outlining the president’s goals for the expedition. We’ve kept his sometimes unique spelling and punctuation ...

This story appears in the November 2013 issue of National Geographic magazine. America has had two great ages of exploration. The one that every schoolchild learns about began in 1804, when Thomas ...