The southernmost island in the crescent-shaped Comoros archipelago. Encircled by a barrier reef, Mayotte is blessed with one of the world's perfect lagoons. In its lush forests, the fragrant yellow flowers of the ylang-ylang tree are picked to extract their perfumed oil. Against a backdrop of waterfalls and volcanic peaks on Mayotte, there is a feeling of rural tranquility.

Long regarded as one of the freest-thinking college towns in the U.S., Ann Arbor is home to the University of Michigan, the Gerald R. Ford Presidential Library and Domino's Pizza. While you're in Ann Arbor, be certain to see the city's many fascinating historic buildings; the Kelsey Museum of Ancient and Medieval Archaeology; and Kerrytown (a diversity of specialty shops and eateries in restored 19th-century buildings close to the Farmers Market).

Mist, research stations, and penguins are just a few of the things that define the South Shetland Islands, an archipelago off the coast of Antarctica. These 11 Antarctic islands, most notably King George Island, have served as a base for researchers from Chile, Argentina, and a variety of other countries. The archipelago has also become a popular cruise destination for tourists to the Antarctic region.

In the walled city of Siena we stand firmly planted in the Middle Ages. Siena preserved its original character more markedly than any other city in Italy.

Saratoga Springs, New York, has long drawn visitors with its bubbling mineral springs, historic charm, and a calendar full of events that give the town a lively edge. Known as “The Spa City,” Saratoga first gained fame in the 19th century for its naturally carbonated waters, believed to have healing properties. Downtown Saratoga Springs is known for its walkable streets, filled with locally owned boutiques, cafés, and bookstores.