Evidence of our nation's birth abounds in Boston, a hub of revolution that is essentially the oldest city in the United States. Visitors are compelled to walk the 2.5-mile Freedom Trail around the city center, and bear witness to 16 historical locations related to the history of America.

Malta’s ornate and vibrant capital, Valletta, dazzles travelers with its abundance of historical landmarks and striking architecture. This island jewel off the coast of Italy remains a popular destination for Mediterranean cruises. From central St. George’s Square, to sixteenth-century Casa Rocca Piccola, to the Siege Bell War Memorial, Valletta has no shortage of monuments detailing the city’s long history.

Las Vegas, Nevada, is an electrifying city where glitz and glamour meet entertainment and excitement. Known as "The Entertainment Capital of the World," Las Vegas offers an unparalleled array of attractions, from its iconic casinos and luxurious hotels to its world-class dining and live shows. The city's entertainment scene is second to none, featuring legendary headliners, cutting-edge performances, and an array of themed attractions.

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.

Chile is one of the longest countries in the world, with more than 6,000 miles of coastline; it contains countless beaches for trout fishing, watersports and sunbathing. Cruise ships traveling around South America dock at its many ports, and one can't help but become enveloped in the festive Latin American culture.