When the world was full of unexplored land, storytellers had it easy. Who could be certain that there were no such things as unicorns, rocs, two-headed men, hippogriffs, basilisks, amazons? The only ...

The vast majority of exploration for civilizations that prospered centuries ago was conducted by boat. In modern times, it’s near impossible for people who live in developed areas to find any land ...

Central Brazil is a vast green wedge of almost unexplored land. Seventeenth-century Portuguese explorers staggered out of its jungles bringing tales of a great lost City of Gold in a Garden of Eden.