Europe's well preserved cultural heritage, open borders and efficient infrastructure make visiting a breeze, and you'll rarely have to travel more than a few hours before you can immerse yourself in a new culture.
Asia is home to the majority of humanity, lively cities, sublime landscapes and almost endless options. Asia varies from the mega-cities and technology capitals of East Asia to the magnificent monuments in South Asia, and from the beach bungalows and jungle treks of Southeast Asia to the desert ruins and modern mega-malls of the Middle East.
Africa is home to over 50 countries, more than any other continent in the world, and is the second largest continent in terms of both land area and population. Africa abounds with bustling metropolises, diverse people, and amazingly varied and beautiful landscapes.
Ruins of ancient civilizations share South America with world-class metropolises, outstanding architecture, many of the world's biggest festivities, and genuine indigenous culture mingled with the fingerprints of Iberian colonizers.
Oceania is a vast, arbitrarily defined expanse of the world where the Pacific Ocean – rather than land borders – connects the nations. It is home to glistening white beaches, coconut palms swaying in the breeze, beautiful coral reefs, and rugged volcanic islands rising out of the blue ocean.