Sierra Leone, on the coast of West Africa, is a country of striking contrasts, where white-sand beaches meet green mountains and vibrant cities. Its Atlantic shoreline stretches for miles, offering quiet escapes as well as lively coastal communities.

On coastal Iceland, the globe's northernmost capital, Reykjavík, invites visitors to discover its unique charms. Iceland is rife with natural wonders: geysers, geothermic spas, waterfalls and the spectacular Northern Lights. Reykjavik, dating back to 870 AD, offers world-class museums, restaurants, shopping and nightlife.

Nestled within the Colorado Rockies, Keystone is a popular ski resort destination west of Denver. The perfect spot for a variety of outdoor adventures, Keystone offers ample opportunity to ski, snowboard, hike, or golf.

Ohio offers a blend of surprises that range from ancient earthworks to world-class roller coasters. In the southern part of the state, the newly designated Hopewell Ceremonial Earthworks tells the story of a sophisticated Native American culture that built massive geometric mounds over 2,000 years ago. Visitors can walk among these quiet, grassy structures and learn how they were used for ceremonies, astronomy, and social gatherings long before European contact.

The continent lying mainly within the Antarctic Cirle with the South Pole approximately at its center. The Antarctic Treaty of 1959, signed by 12 countries prohibits military activities and promotes the exchange of scientific information.