If it wasn't for Paris, Ghent would be medieval Europe's largest city. Steeped in history both rebellious and industrious, it sits at the junction of the Leie and Scheldt rivers and was once the site of armed battles by its townsfolk, who raged against heavy taxes and restricted civil liberties.

A city in perpetual forward motion, Abu Dhabi greets visitors with gleaming skyscrapers and opulent Islamic architecture. There is much to see here, from the recently opened Louvre Abu Dhabi to the gigantic Sheikh Zayed Grand Mosque, with its white marble splendor. Beach life and turquoise waters can be found on Saadiyat Island, Al Bateen and Corniche Beach.

Kilkenny is a city where history sits beside everyday life, and stories from centuries past shape the streets visitors walk today. At its heart stands Kilkenny Castle, first built in the 12th century and home to the Butler family for more than 600 years. From here, the Medieval Mile creates a natural path through the city, linking key sites such as St. Canice’s Cathedral. Its round tower, one of the few in Ireland still open to climb, rewards visitors with wide views across the rooftops.

This coastal route runs between the Gulf of Alaska and Puget Sound, and is a popular route for cruise ships. Cruise passengers can expect to see a breathtaking amount of wildlife, as well as Ketchikan, Wrangell, Prince of Wales, Sitka, Juneau, Haines, Skagway and Glacier Bay.

Visit the ancient city of Memphis and take in the wonders of the recumbent statue of Ramses II and the 80-ton Alabaster Sphinx.