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.

Caracas, (ke-rä´kes), located in Northern Venezuela, is the capital and largest city of Venezuela. An extremely cosmopolitan city, it is a major industrial center, shipping through the nearby Caribbean port of La Guaira.

Bartlett, New Hampshire is a small White Mountains town with a deep connection to outdoor adventure and quiet mountain charm. Founded in the late 18th century, Bartlett began as a logging and railroad hub, and remnants of that past still echo through its historic buildings and covered bridges. The Bartlett Roundhouse, a relic from the town’s railway days, now serves as a museum and reminder of how trains once connected this remote region to the rest of New England.

Nampula is the largest city in northern Mozambique and the capital of Nampula Province. Set inland on a plateau, it is surrounded by rounded granite hills and distinctive rocky outcrops that rise above the surrounding farmland.

Nestled within Freycinet National Park on Tasmania's stunning east coast, Wineglass Bay is a destination that calls out to nature lovers and adventure seekers alike.