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.

Texel is the largest of the Dutch Wadden Islands, located off the northern coast of the Netherlands and separated from the mainland by the Marsdiep Strait. Its landscape combines broad sandy beaches, coastal dunes, salt marshes, grasslands, polders, and small villages. Den Burg is the island’s main settlement, while De Koog is the principal seaside resort.

Bora Bora, often referred to as the "Jewel of the South Seas," is the epitome of tropical luxury. Nestled in the Society Islands of French Polynesia, this idyllic island is famed for its stunning turquoise lagoon, ringed by a barrier reef and dotted with overwater bungalows.

Tsavo East National Park is one of Kenya’s largest protected areas, covering about 13,747 square kilometres in the country’s southeast. Its landscape is largely semi-arid, with open plains, scrub, rocky outcrops, and river corridors shaped by the Tsavo, Athi, Galana, and Voi rivers. The park is particularly associated with its dust-red elephants, whose appearance comes from the animals coating themselves in the park’s distinctive red soil.

Muara is a small coastal town in Brunei, positioned where the Brunei River meets the South China Sea.