St. George, Utah, is a desert city in the state’s southwest corner, celebrated for its striking red rock landscapes, mild climate, and proximity to some of the American West’s most iconic natural wonders.

Australia’s Port Douglas is a tropical escape tucked between two natural wonders: the Great Barrier Reef and the Daintree Rainforest.

Samburu and Shaba Reserves are some of the most pristine reserves in Kenya, and protect a habitat surprisingly rich in wildlife. The Reserves provide the chance to see many species not found elsewhere in Kenya, such as Grey's zebra, the rare beisa oryx and the Somali ostrich.

Coursing through 10 countries, the Danube is the second-longest river in Europe. This waterway, lined with fortresses and castles, rises in Germany's Black Forest and runs for 1,770 miles to the Black Sea. The Danube is an essential commercial thoroughfare for central and southeastern Europe, and several river cruise companies sail vessels on it year-round. Destinations along this river include Vienna, Budapest, Passau and Bratislava.

CocoCay, officially known as Perfect Day at CocoCay, is Royal Caribbean’s private island in the Bahamas designed to combine the laid-back charm of the Caribbean with world-class resort amenities.