Tolstoy’s wife helped get “War and Peace” over the finish line.

Tolstoy’s wife, Sophia, in 1885. (Credit:: Sovfoto/UIG via Getty Images) Tolstoy’s wife helped get “War and Peace” over the finish lin...

Tolstoy was a self-improvement junkie.

Tolstoy circa 1855. (Credit: Imagno/Getty Images) [Der russische Autor Lew Nikolajewitsch Tolstoj. Photographie. Um 1855.] Tolstoy circa 185...

Clark adopted Sacagawea’s children.

Clark adopted Sacagawea’s children. During her time with the Corps of Discovery, Sacagawea was accompanied by her newborn son, Jean Bapti...

Lewis later died under mysterious circumstances.

Meriwether Lewis. (Credit: Universal History Archive/Getty Images) Lewis battled depression and mood swings for most of his life, and his c...

Only one member of the expedition died during the trip.

Only one member of the expedition died during the trip. The Lewis and Clark expedition suffered its first fatality in August 1804, when S...

Sacagawea reunited with her long lost brother during the journey.

  “Lewis & Clark at Three Forks,” mural in lobby of Montana House of Representatives. (Credit: Edgar Samuel Paxson) One of the most le...

Lewis and Clark’s arsenal included 200 pounds of gunpowder and an experimental air rifle.

Lewis and Clark’s arsenal included 200 pounds of gunpowder and an experimental air rifle. The Corps of Discovery carried one of the large...