If you find yourself in Rotterdam, there's a strong chance you've arrived by water. This popular port city (the second largest in the Netherlands) has gone through an architectural renaissance since World War II, with daring, innovative structures dotting the city (cube houses!) and defining its skyline. Café culture is on the rise here, so grab yourself a table and a cup.

Aarhus, Denmark's second-largest city, offers a captivating blend of historical charm and modern vibrancy. Founded in the 8th century, Aarhus boasts a rich history that visitors can explore at the Old Town Museum, an open-air museum that recreates Danish life through the ages with its historical buildings and interactive exhibits. The city's medieval roots are also visible in the well-preserved Aarhus Cathedral.

A rich experience awaits you in this wealthy, energetic and youthful Greek city. Revel in cosmopolitan pleasures: sophisticated shops and cafes, markets hidden away beyond historic city squares, and the superlative Archaeological Museum are but a few.

Martinique, often called the "Island of Flowers", is a French Caribbean gem where striking landscapes and rich heritage meet. At its northern heart stands Mount Pelée, a powerful volcano that looms above lush rainforest valleys and waterfalls.

Part of the British Virgin Islands, Virgin Gorda is an island in the Caribbean famous for The Baths National Park, whose natural geologic granite formations dot the island's beaches and create stunning tidal pools and grottoes.