Hernando de Soto was a Spanish explorer who led an expedition through the southeastern United States in the 16th century. He was the first European to discover the Mississippi River.

Mark Twain's \"The Innocents Abroad\" was a humorous and satirical account of his travels in Europe and the Holy Land in the 1860s.

Roald Amundsen was a Norwegian explorer who led the first expedition to reach the South Pole in 1911.

Henry David Thoreau's \"Walden\" is a philosophical and autobiographical account of his two years spent living in a cabin in the woods of Massachusetts.

David Livingstone was a Scottish explorer and missionary who traveled extensively in Africa in the 19th century. He was the first European to discover the Victoria Falls.

Mark Twain's \"A Tramp Abroad\" was a humorous account of his travels through Europe in the 1870s.

Robert Falcon Scott was a British explorer who led two expeditions to the Antarctic in the early 20th century.

Francis Parkman's \"The Oregon Trail\" is a classic account of his journey along the Oregon Trail in the 1840s.

Francisco de Orellana was a Spanish explorer who led the first expedition to navigate the entire length of the Amazon River.

Mark Twain's \"Roughing It\" was a humorous account of his travels through the American West in the 1860s.

Henry Morton Stanley was a Welsh-American explorer who traveled extensively in Africa in the 19th century. He was the first European to navigate the entire length of the Congo River.

Marco Polo's \"The Travels of Marco Polo\" is a classic account of his journey to China in the 13th century.

René Caillié was a French explorer who was the first European to reach Timbuktu in 1828.

Fridtjof Nansen's \"The Land of the Midnight Sun\" is a classic account of his journey through the Arctic in the 19th century.

George Everest was a British surveyor who led the Great Trigonometrical Survey of India in the 19th century. He is known for his discovery of Mount Everest, which was named after him.