St. Lucia is an island of verdant landscapes in every direction: A dense rain forest rises up and covers The Pitons' twin peaks, and in the valleys, the sun's rays dance upon the large yellow-green leaves of banana plants. Beyond all the greenery, you'll find isolated coves, stunning beaches, colonial towns, quiet fishing villages and first-class yachting facilities.

This 2,000-year-old city, where the Teutonic Order founded one of its first commanderies in the 13th century, lies on the convergence of the Moselle and Rhine Rivers. Hop on a cable car, one of the city's most popular attractions, for stunning city-wide views, or cruise down the Rhine to spot some of Koblenz's magnificent fortresses and castles, including the Ehrenbreitstein Fortress and Schloss Stolzenfels.

This small yet charming city in Alaska's panhandle is a throwback to the gold rush era. Skagway is a well-preserved part of Klondike Gold Rush National Historical Park.

Paro, Bhutan, is a serene valley town that offers a gateway to the mystical charm of the Land of the Thunder Dragon. Nestled amidst verdant hills and bisected by the glistening Paro Chhu river, Paro is home to some of Bhutan’s most iconic landmarks and cultural treasures. At the heart of this picturesque valley stands the majestic Paro Dzong, or Rinpung Dzong, a fortress-monastery with a history dating back to the 17th century.

Warsaw stands as one of Europe’s most resilient cities, having rebuilt itself almost entirely after World War II. The Old Town, meticulously reconstructed using paintings by Italian artist Bernardo Bellotto, feels centuries old but is, in fact, less than a hundred years in its current form. Behind the medieval facades lie stories of uprisings, resistance, and quiet defiance. Visitors walking through Castle Square can enter the Royal Castle, where Poland’s Constitution of May 3, 1791 was adopted.

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.