Sitting on the edge of the Baltic, the modern, cosmopolitan city of Helsinki is the World Design Capital for 2012. The beauty of the surrounding nature blends seamlessly with high-tech achievements and contemporary trends. Walking tours of the city center show layers of history, while modern architecture and cutting-edge style stake the city's claim to the future. Choose Helsinki during its endless summer days or get adventurous on crisp, snowy winter nights.

This laid-back beach town on Crete is popular with European travelers. Soft, golden sands and shallow waters make the beaches here especially family-friendly, and there’s a great variety of tavernas, restaurants and bars (including an Irish pub!).

Walk the Freedom Trail the first time you visit Boston and you'll quickly get a sense of this coastal city's revolutionary spirit and history. But make sure you also explore some of Boston's fine museums (try the Isabella Stewart Gardner, featuring masterpieces displayed in their collector's mansion) and old neighborhoods (like the North End, Boston's Little Italy). You can't claim to have experienced real Boston culture, though, until you've watched a Red Sox game from the bleachers.

Conquering New York in one visit is impossible. Instead, hit the must-sees – the Empire State Building, the Statue of Liberty, Central Park, the Metropolitan Museum of Art – and then explore off the beaten path with visits to The Cloisters or one of the city’s libraries. Indulge in the bohemian shops of the West Village or the fine dining of the Upper West Side. The bustling marketplace inside of Grand Central Station gives you a literal taste of the best the city has to offer.

From the National Mall’s monuments and memorials to vibrant neighborhoods filled with character and charm, DC is a world-class destination featuring breathtaking views, award-winning hotels and hundreds of free things to do. Experience outstanding performing arts at acclaimed theaters, shop in historic Georgetown, hear great live music at legendary venues, enjoy sporting entertainment from six professional franchises and be dazzled by a flourishing dining scene with Michelin-starred restaurants.

Pittsburgh has been remade and reimagined. Think 24 miles of riverfront trails, beautiful parks and historic attractions. Home to 90 neighborhoods, the ‘Burgh feels authentic and unpretentious. No visit is complete without a trip to the Strip District or PNC Park, a ride up the Duquesne Incline or a stop at The Andy Warhol Museum. Architecture buffs love Pittsburgh for the amazing downtown buildings. Hollywood producers, do, too—the city has even been called the “Hollywood of the East."