Symi, a charming island in the Dodecanese, Greece, offers a picturesque escape with its striking neoclassical architecture and vibrant Mediterranean colors. The town of Symi, a designated protected cultural heritage site, is renowned for its beautifully preserved pastel-colored mansions that line the harbor.

Ilok, the easternmost town in Croatia on the Danube River, may be small but it has a lot to offer. A well-preserved Franciscan monastery and a 15th century castle make it a popular day trip for domestic as well as foreign tourists. Its wine-making tradition is even older; some say the region's viniculture dates back as early as 280 AD.

This Sicily harbor city is divided from Italy proper by the Strait of Messina. Visitors marvel at the Gothic, bell-towered Norman Messina Cathedral.

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.

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.