This Italian-speaking region in Southern Switzerland is on the border with Italy. Bellinzona is the capital, and Lugano is the most important city in the canton, known for its beautiful waterfront, steep hillsides and gorgeous lake views. Castelgrande is a lovely medieval castle overlooking the city that has recently been restored. The Centovalli Railway is a scenic train that operates between Locarno, Switzerland and Domodossola, Italy, traveling through the breathtaking "Hundred Valleys." Lake Como is nearby, the home of People magazine’s “Sexiest Man Alive,” George Clooney.

There are 2,000 years of history in Cologne, and visitors here will find everything from Roman towers to Gothic churches to fine examples of modern architecture. Cologne has a variety of museums, too—check out the Museum of Applied Art, the Museum Ludwig and, if you have a sweet tooth, the Chocolate Museum. Be forewarned, though—the gift shop at the latter will utterly ruin your diet.

Located near the National Capital Region of Delhi, this upcoming district houses numerous multinational companies and as a result, has plenty of tourist-friendly malls, hotels and restaurants. The area's top attraction is the Sheetla Mata temple, a popular pilgrimage site named for the Indian goddess who could dispel small pox; a festival is held there in March and July. For a more rural setting, visit nearby Sohna, which is surrounded by ancient ruins and known for its hot springs.