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.

Santander, the capital of Spain’s Cantabria region, sits along the Bay of Biscay and offers travelers a mix of coastline, culture, and history shaped by centuries of maritime life. Once a bustling port for Castilian exports, Santander saw its golden age in the 19th century when Spanish royalty turned it into a summer retreat. The legacy of that era remains visible at the Palacio de la Magdalena, perched on a peninsula with views of the sea and home to royal stables, a mini zoo, and guided tours.

Gili Trawangan is the largest of the three Gili Islands, located off the northwest coast of Lombok in West Nusa Tenggara. The island is surrounded by coral reefs and clear coastal waters, with a sandy shoreline extending around much of its perimeter. Its compact size makes it easy to explore by bicycle or on foot, while horse-drawn cidomo carts provide traditional local transport.

Salerno, nestled along Italy's stunning Amalfi Coast, offers a captivating blend of history, culture, and Mediterranean charm. As a gateway to the Amalfi Coast, Salerno's historic center features delightful streets and architectural gems.

Astoria, Oregon is the state's oldest city. Located on the Columbia River near the Pacific Ocean, Astoria is rich in history, including fishing, canning and the Lewis and Clark Expedition.