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.

Nestled in the foothills of the Black Forest, Baden-Baden is Germany's ultimate spa destination, famous for its luxurious thermal baths and charming Belle Époque architecture. This elegant town, whose name literally translates to "Baths of Baden," has attracted visitors seeking relaxation and rejuvenation for centuries.

The land and seascapes of the north coast of County Antrim, Northern Ireland, are perhaps one of Europe's best kept secrets. Portrush has a beautiful position on Ramore Head peninsula jutting out into the Atlantic, with sandy beaches running east and west. The resort has the usual amenities of a seaside resort.

San Sebastián, or Donostia, is a gem nestled on Spain's northern coast, renowned for its stunning beaches, world-class cuisine, and vibrant cultural scene. With its picturesque bay, La Concha, often ranked among the world's most beautiful city beaches, this Basque city offers a perfect blend of natural beauty and urban sophistication.

Bogotá, the vibrant capital of Colombia, sits high in the Andes at 2,640 meters above sea level. The city balances historic charm with modern energy, where cobblestone streets meet bold street art and colonial churches stand beside sleek galleries and cafes. At the heart of it all is La Candelaria, Bogotá’s oldest neighborhood, where travelers can visit centuries-old buildings, including the neoclassical Capitol and the richly decorated Gold Museum.