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.

Las Vegas, Nevada, is an electrifying city where glitz and glamour meet entertainment and excitement. Known as "The Entertainment Capital of the World," Las Vegas offers an unparalleled array of attractions, from its iconic casinos and luxurious hotels to its world-class dining and live shows. The city's entertainment scene is second to none, featuring legendary headliners, cutting-edge performances, and an array of themed attractions.

Viscri is a small village in Brașov County, Transylvania that feels like a place untouched by time, where centuries-old traditions remain alive in everyday life. Best known for its Saxon fortified church, the church of Viscri is one of the oldest and most impressive buildings in Transylvania, built of white-green limestone and strengthened with two rings of defensive walls added over the 16th and 18th centuries.

On the east coast of North Island, Napier is considered the "Art Deco capital" of New Zealand and the gateway to the Hawke's Bay wine region, whose popular varietals include pinot gris and syrah.

The Yangtze River, a magnificent artery of China, stretches over 6,300 kilometers (3,917 miles) from the Tibetan Plateau to the East China Sea. As the longest river in Asia and the third longest in the world, it weaves through breathtaking landscapes and vibrant cities, making it a prime destination for travelers seeking both adventure and cultural immersion.