Iceland’s biggest city, Reykjavik bears the distinction of being the world’s northernmost capital, and for virtually every Icelandic visitor it serves as a gateway, just to the city itself or to the rugged adventure options beyond. Founded in the country’s southwest at the end of the 18th century, Reykjavik has been Iceland’s cultural hub ever since. These days, that culture includes a hip and internationally recognised music and arts scene, not to mention a notoriously wild nightlife.

A cultural hub where elegant mosques and traditional bazaars dot the palm-lined boulevards and ancient Greek ruins look down from the hilltops, Turkey’s third-largest city, Izmir, has plenty to offer cruise visitors en route to nearby Ephesus.

Stunning coral reefs and turquoise waters perfect for windsurfing have made Hurghada, on Egypt's Red Sea Coast, a busy resort town. Within easy reach of the stunning Giftun Islands and the Eastern Arabian Desert, Hurghada has seen enormous amounts of development in the past decade—and yes, it does seem overrun with tourists at times. But it’s a relatively easy beach escape for Europeans, and some of the world's best diving and snorkeling sites are just offshore. Walk or catch a cab to explore the old quarter, El Dahar.