Africa, Asia, Europe, North America, South America, Oceania (which includes Australia and New Zealand), and Antarctica. Each continent is unique in its geography, culture, and political landscape.

The continent without a country: Among the countries that have research bases on Antarctica are China, Chile, Japan, Australia and the United States.

Antarctica is like no place on Earth. The "White Continent" has lured explorers and scientists to its stunning, ice-encrusted landscape for two centuries. Countries have tried to carve up Antarctica ...

The "White Continent" has lured explorers and scientists to its stunning, ice-encrusted landscape for two centuries. Countries have tried to carve up Antarctica and lay claim, but no one owns it.