Lake Toba is another of the island's spectacular sights - a remarkable volcanic crater set in the middle of northern Sumatra, 176km from Medan. The lake is huge (the largest in South-East Asia), occupying the caldera of a giant volcano that collapsed on itself after a massive eruption some 100,000 years ago.

Freiburg was founded by the Dukes of Zähringen in 1120, and the layout of streets and squares of the rapidly prospering metropolis is still impressively reflected in today's cityscape.

Makgadikgadi Pans National Park lies in northeastern Botswana and forms part of one of the largest salt flat systems in the world. The landscape is defined by wide open pans, sandy tracks, grasslands, and scattered baobab trees that rise from the dry terrain.

St. Martin is a unique Caribbean island that blends two distinct cultures within a single destination. The northern side, Saint-Martin, is an overseas collectivity of France, while the southern side, Sint Maarten, is part of the Kingdom of the Netherlands.

Indulge your taste for romance, drink in the clear mountain air, walk through the world-famous bushland or just relax in front of a roaring log fire. Located less than two hour's drive from Sydney, the Blue Mountains offer a natural wonderland of untamed bush, spectacular rock formations and native wildlife.