One of the busiest ports in the Caribbean, Willemstad is the capital city of Curaçao. The city center, brimming with colorful Dutch colonial buildings that nearly touch the water's edge, has been designated a UNESCO World Heritage Site. Venture to this vibrant paradise lined with palm trees, and you'll discover plenty to see and do.

Bolivia, republic in central South America, bounded on the north and east by Brazil, on the southeast by Paraguay, on the south by Argentina, and on the west by Chile and Peru. Bolivia is one of the two South American countries without direct access to the sea.

West of Vienna, the quaint town of Dürnstein lies on the banks of the iconic Danube and is the perfect destination for river cruising, sightseeing, and enjoying the best of Austrian culture. Though small, this picturesque village offers plenty to see and do.

On coastal Iceland, the globe's northernmost capital, Reykjavík, invites visitors to discover its unique charms. Iceland is rife with natural wonders: geysers, geothermic spas, waterfalls and the spectacular Northern Lights. Reykjavik, dating back to 870 AD, offers world-class museums, restaurants, shopping and nightlife.

Martinique is a lush island in the Caribbean's Lesser Antilles and replete with attractive beaches, tropical forests, and colonial architecture. An overseas département of France, this island destination is a popular stop on Caribbean cruises. The island is ideal for a variety of outdoor adventures, including snorkeling, kayaking, and hiking.