Cagliari is Sardinia's capital and largest city. Several civilizations have left their imprint here architecturally and culturally. Must-sees include the Museo Archeologico Nazionale di Cagliari, with its Roman and Byzantine treasures, as well as Castello, a medieval quarter situated on a hill above the city. The city is also known for its food and vibrant nightlife.

Las Palmas (officially Las Palmas de Gran Canaria) is the capital of Gran Canaria island as well as co-capital (along with Santa Cruz de Tenerife) of the Canary Islands. It is a major cruise-ship port known for duty-free shopping and sandy beaches, including Playa de Las Canteras, considered by many to be one of the best urban beaches worldwide.

Singapore, a sovereign city-state in Southeast Asia, is known for its blend of modern innovation, cultural diversity, and green urban planning. Its skyline features striking architecture such as Marina Bay Sands and the Supertree Grove at Gardens by the Bay, while its neighborhoods highlight cultural influences from Chinese, Malay, Indian, and Peranakan heritage. The city is also celebrated for its efficiency, safety, and status as a global financial hub.

Portland, England, offers a charming blend of coastal beauty, historical intrigue, and unique geological features. Nestled on the Jurassic Coast in Dorset, this picturesque island town is renowned for its stunning cliffs and quarries.

The Gambia is a small West African country known for its rich culture, scenic river landscapes, and warm, welcoming communities. The country is centered around the Gambia River, which flows through the nation and supports agriculture, fishing, and river-based tourism.