One of the major rivers of the Iberian Peninsula, the Douro in north-central Spain and Portugal just might be the world's most beautiful wine region. Most of the river on the Spanish side isn't navigable, so river cruises generally travel roundtrip from Porto, on the coast of the Atlantic.

Nuuk, the vibrant capital of Greenland, offers a unique blend of Arctic beauty and modern living. Nestled between picturesque fjords and surrounded by rugged mountains, Nuuk is the gateway to exploring Greenland’s stunning natural landscapes. The city’s old harbor, with its colorful wooden houses, provides a charming introduction to Greenlandic culture and history. This area is perfect for leisurely strolls and offers striking views of the surrounding mountains and sea.

Tahiti is a veritable paradise in the South Pacific. The largest and most populous island of French Polynesia's Society Islands, Tahiti is known for its iconic overwater bungalows, crystal-clear cerulean water, and lush, tropical rainforests.

Wiencke Island lies off the west coast of the Antarctic Peninsula, separated from Anvers Island by the narrow Gerlache Strait. The island is mountainous and heavily glaciated, with steep slopes rising from a rugged coastline of rocky shores, snowfields, and ice. Several sheltered coves provide access for expedition vessels, while the surrounding waters are often dotted with icebergs and sea ice.

Rather than presenting itself as a traditional resort destination, Laem Chabang reveals its appeal through access and contrast. It lies about two hours from Bangkok and less than an hour from Pattaya, making it a convenient base for exploring temples, markets, and coastal towns. Travelers can step off a cruise ship and within the same day wander through ornate shrines, sample street food, or browse lively night markets.