A lesser-known river port in the Mekong Delta, Sa Dec was once the capital of Dong Thap province of southern Vietnam. Today, it is best known for its flower gardens and authentic bustling market. The city is also famous as the setting for French writer Marguerite Duras' 1984 novel, The Lover, and its 1991 film adaptation of the same name.

An essential passageway between the Atlantic and Pacific Oceans, the Panama Canal is an extraordinary technological landmark and a testament to human innovation. Built in the early twentieth century by American engineers, the canal weaves through the Panamanian isthmus and allows easy access for commercial freighters and cruise ships alike.

The city of Puerto Montt sits on the coast of Chile's Lake District and is considered a gateway to some of the country's most breathtaking natural beauty, including the fjords of Patagonia and the impressive Andes mountain range. Puerto Montt often serves as a port for South American cruises.

Iquique, perched between the Pacific Ocean and the sweeping sand dunes of the Atacama Desert, offers more than just sun and surf. This coastal city in northern Chile is a duty-free port, drawing visitors with its unique blend of high-end shopping, historic districts, and adrenaline-filled adventures. Whether wandering along the palm-lined Baquedano Boulevard or gliding down the towering sand dunes on a sandboard, Iquique surprises at every turn.

Montenegro, set along the Adriatic Sea, draws travelers with its dramatic landscapes and layered history. The Bay of Kotor, often mistaken for a fjord, is actually a submerged river canyon surrounded by steep cliffs and medieval towns. Kotor itself, a UNESCO World Heritage site, is enclosed by ancient fortifications that visitors can climb for panoramic views stretching from terracotta rooftops to the sea.