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.

Greenock, located on Scotland’s scenic west coast, is a town steeped in maritime and industrial history, with its historic waterfront and Victorian architecture offering a glimpse into its prosperous past. Once a shipbuilding powerhouse, the town’s legacy is visible in landmarks like James Watt Dock and the Old West Kirk, while the nearby Greenock Cut offers a peaceful escape for walking and cycling, framed by stunning views of rolling hills and the River Clyde.

Acadia National Park in Maine is home to the highest point on the United States’ East Coast. The bay side town of Bar Harbor, with its restaurants and shops, is a popular gateway to this 47,000-acre national park filled with dramatic, breathtaking scenery.

Vancouver is a city in southwestern Washington located along the north bank of the Columbia River, directly across from Portland, Oregon. It is one of the oldest continuously inhabited areas in the Pacific Northwest and serves as the county seat of Clark County.

Monterey, California, is a coastal gem with a rich maritime history and stunning natural beauty. Located on the rugged Pacific coastline, this charming city is renowned for its world-class aquarium, the Monterey Bay Aquarium, which offers visitors a chance to explore the vibrant marine life of the region. Monterey's historic Cannery Row, once the center of the sardine-packing industry, has been transformed into a lively waterfront area brimming with shops, restaurants, and cultural attractions.