Course Description
Follow in the footsteps of history’s most ambitious and influential explorers—from ancient wayfarers to modern astronauts—in this captivating 24-lecture course taught by award-winning University of Tennessee professor Vejas Gabriel Liulevicius. Witness mutiny, disease, starvation, and cannibalism alongside the awe-inspiring human impulse to chart the unknown. You will trace interconnected journeys across frozen poles, vast oceans, and the final frontier of space, examining motives from pilgrimage and proselytizing to wealth, conquest, and fame. Through Vikings in North America, Marco Polo on the Silk Road, Columbus’s “Enterprise of the Indies,” Portuguese circumnavigation of Africa, and the race to the Moon, you will gain a truly global portrait of exploration that includes non-Westerners and the perspectives of the discovered.
Lecture-by-Lecture Outline
Ancient and Medieval Trailblazers
- The Earliest Explorers – 32 min
The Vivaldi brothers’ ill-fated quest to India and the epic 7,000-year-old settlement of the Pacific islands.
- The Scientific Voyage of Pytheas the Greek – 31 min
Meet the originator of scientific exploration who reached the edge of the known world and influenced later expeditions.
- St. Brendan—The Travels of an Irish Monk – 29 min
Follow the 6th-century monk who sailed the Atlantic in a leather boat seeking paradise and solitude.
- Xuanzang’s Journey to the West – 30 min
The 7th-century Chinese monk’s illegal pilgrimage to India to secure authoritative Buddhist scriptures.
- Leif Eriksson the Lucky – 31 min
How Viking culture of adventure and violence propelled Norse settlement in North America.
- Marco Polo and Sir John Mandeville – 31 min
Medieval Europe’s window onto China through Polo’s authentic travels and Mandeville’s fantastical tales.
- Ibn Battuta—Never the Same Route Twice – 30 min
Moroccan jurist’s 75,000-mile, 24-year circuit across the Muslim world and beyond.
Age of Sail and Global Empires
- Portugal’s Great Leap Forward – 31 min
Tiny Portugal’s rise from poverty to seaborne superpower via Prince Henry the Navigator and Vasco da Gama.
- The Enigmatic Christopher Columbus – 30 min
Unpack Columbus’s complex motives and the massive Columbian Exchange triggered by his 1492 voyage.
- Magellan and the Advent of Globalization – 30 min
First circumnavigation of the globe and how it bound together the world economy.
- The Ruthless Ambition of the Conquistadors – 29 min
Cortés, Pizarro, and de Soto: how a handful of Spaniards toppled empires and reshaped Latin America.
- Henry Hudson—Death on the Ice – 30 min
Mutiny and murder in the 1610 quest for the Northwest Passage.
- The Jesuits on a Global Mission – 30 min
How the Society of Jesus used cultural exploration to spread Christianity from China to the Americas.
- Captain Cook Maps the World – 30 min
Cook’s scientific voyages and the new attitudes toward foreign peoples that defined the Enlightenment era.
- Alexander von Humboldt—Explorer Genius – 30 min
The “second Columbus” who revealed the world as an interrelated ecological unit during his 5,950-mile trek across the Americas.
Continental Crossings and Imperial Frontiers
- Jefferson Dispatches Lewis and Clark – 29 min
America’s Corps of Discovery charts the Louisiana Purchase and crosses Native American lands peacefully.
- Sir John Franklin’s Epic Disaster – 30 min
The 1845 disappearance that captivated Victorian Britain and forged a culture of adventure.
- Ida Pfeiffer—Victorian Extreme Traveler – 30 min
A woman who circled the globe twice, escaped cannibals, and became a best-selling travel writer.
- Japan Discovers the West – 30 min
19th-century Japanese missions to America and Europe that shaped the Meiji transformation.
- Dr. Livingstone and Mary Kingsley in Africa – 30 min
Stanley’s famous greeting and how two very different Britons revealed Africa to the world.
Poles, Oceans, and Space
- Arctic Feats and Fates – 29 min
Who really reached the North Pole? Debates, airships, and Umberto Nobile’s dramatic 1926 flight.
- Antarctic Rivalries – 30 min
Amundsen vs. Scott to the South Pole and Shackleton’s epic survival saga.
- A Deep-Sea Dive into the Mariana Trench – 30 min
1960 descent to the deepest place on Earth by Piccard and Walsh, plus centuries of ocean exploration.
- The Race to Outer Space – 31 min
From Apollo 8’s earthrise to commercial spaceflight—why we leave Earth and where humanity may go next.

