The capital of Crete, Heraklion is a Greek port city and a popular stop on Mediterranean and Greek cruises. The city is an historical marvel, replete with archaeological wonders and remnants of the region's past. Highlights include the Heraklion Archaeological Museum, the Rocca a Mare Fortress, the Venetian Loggia, and just past the city limits, the Palace of Knossos.

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.

Poland is a central European country bordering seven other nations. Among its notable features are its lush forests, rivers, and majestic mountains.

Central Asia stretches from the Caspian Sea in the west to China and Mongolia in the east, and from Afghanistan and Iran in the south to Russia in the north, including the former Soviet republics of Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, and Uzbekistan.

British influences are quite evident in Victoria, from afternoon tea times to elegant Victorian architecture. This capital of British Columbia on Vancouver Island provides ample outdoor recreation, with its public parks and access to both the ocean and wilderness. Cyclists will be right at home here, as Victoria boasts a seemingly endless number of bike paths for exploring.