Home to two of America's most prestigious universities, Cambridge exudes a certain intellectual quirkiness. A mix of historical haunts, student hang-outs, alternative art and culture venues, vintage clothing shops, bookstores and ethnic restaurants, the city is, well, really cool. Although it is located just across the Charles River from Boston, Cambridge has a distinct vibe that is noticeable immediately. Start at Harvard Square, a hub of activity and mishmash of trendy stores, outdoor cafes and colorful local characters. Pick up a walking tour map at the visitors information booth in the center of the Square. The route will take you past many important landmarks including the Mount Auburn Cemetery, Tory Row and the Longfellow National Historic Site. Harvard University offers student-led tours through the illustrious buildings and monuments of its sprawling campus. Art and architecture buffs should meander around the M.I.T campus, which includes outdoor sculptures by masters such as Picasso and 20th-century buildings designed by modern greats like Eero Saarinen and I. M. Pei. Along the way, browse through bookstores, stop to watch street performers and grab a coffee at an outdoor café to take in all this captivating city has to offer.

Providence seamlessly blends the old and the new with historic attractions, museums and theaters situated alongside more recent additions like the scenic RiverWalk, outdoor skating center, downtown mall, convention center, hotels and acclaimed restaurants. Wander back in time while strolling down historic Benefit Street or explore Roger Williams Park Zoo with the kids. Tantalize your taste buds on Federal Hill or tour the city from a unique perspective on an authentic Venetian gondola.

Don your walking shoes, breathe in the ocean air and set out to discover this picturesque maritime town. You can join one of several organized walking tours or explore on your own. Portsmouth is filled with old homes and museums, and you'll have your pick of fascinating historic sites. Climb aboard the USS Albacore, a retired U.S. Navy submarine offering tours and exhibits. View an 18th-century garden, striking stairway and period furniture at the Moffatt Ladd House, the home of William Whipple, a signer of the Declaration of Independence, or follow a costumed guide through the John Paul Jones House, home of the Revolutionary War naval hero. For a broader look at the city's history, visit Strawbery Banke Museum, where over 40 buildings have been assembled to depict Portsmouth life from 1695 to 1950, complete with costumed actors. If you know architecture, Portsmouth's array of Colonial, Federalist and Neo-classical styles will dazzle you. Weary of walking? Sit down for a meal at one of Portsmouth's fine eateries or relax on a narrated harbor or whale-watching cruise.

The Atlantic crashes on a coastline strewn with quaint harbors, windswept beaches, glorious dunes and blinking lighthouses. Explore Cape Cod National Seashore, bike past cranberry bogs on the Rail Trail or saunter around Sandwich, the Cape's oldest town. Many areas are architectural and culinary gems - full of weathered shingles, whaling captains' mansions, chowder shacks and upscale dining delights. Don't miss Woods Hole Oceanquest, famed Martha's Vineyard or charmingly upbeat Provincetown.

Concord's historic Main Street area is home to various sites of cultural significance, including Railroad Square, the Eagle hotel, which hosted such notable guests as Eleanor Roosevelt and Richard Nixon, The Pierce Manse, former home of President Franklin Pierce, and the State House, the oldest state capitol in which the legislature meets in its original chambers. Far more than the sum of its history, Concord boasts a popular planetarium, plentiful performing arts and an international speedway.

The Texas Rangers and Dallas Cowboys both make their home in Arlington. Midway between Dallas and Fort Worth, the city has long been home to Rangers baseball and now also hosts the Cowboys. Their state-of-the-art structure is the world’s largest domed arena. Visitors looking for other adventures can enjoy the original Six Flags Over Texas and Hurricane Harbor water park, along with shopping, golf and nightlife. Arlington also has a vibrant culture of live music, symphony, museums and theater.

Home to palm-lined beaches, tranquil coral reefs, and several top-tier hotels, it’s no wonder why Bavaro is one of the Dominican Republic’s most popular destinations. This resort hub combines convenience and Caribbean culture with an impressive range of activities across its expansive coastline.

About an hour south of Los Angeles, Laguna Beach has a spectacular clifftop setting above some of the finest beaches in California. Outdoor enthusiasts can snorkel, scuba dive, body-surf, or hike the trails in nearby Laguna Coast Wilderness Park. A center for artists, there are a number of special events and festivals,such as the Sawdust Art Festival, Festival of Arts/Pageant of the Masters, Art-A-Fair and Plein Air Painting Invitational. The Laguna Art Museum focuses on California artists. Window shoppers and collectors will enjoy strolling the village’s quaint streets, as well as visiting galleries spotted along Pacific Coast Highway.

Bristol is a quirky British city with beautiful hilly vistas and plenty of historic sights to explore. Anyone interested in ships will have a blast aboard Brunel’s SS Great Britain, the world’s first great oceanliner, and the Matthew, a replica of the ship upon which John Cabot sailed to America in the 15th century. The graceful Clifton Suspension Bridge is another must-see.

From Hannover’s atmospheric old town, filled with reconstructed half-timbered buildings and terrace cafes, to its baroque gardens and vast urban lake, this booming city has much more to offer than its industrial reputation suggests.

Dubrovnik has recovered from the war damage it suffered during the 1990s, and visitors have returned to this tranquil city. Nestled between the Adriatic and the Dinaric Alps, it’s an accessible and affordable city break for many European travelers. The pedestrian-only Old Town is especially charming.