Dominica, known as the “Nature Island of the Caribbean,” is a haven for eco-tourists and adventure seekers. Nestled between the French islands of Guadeloupe and Martinique, this lush island boasts a remarkable landscape of volcanic mountains, dense rainforests, and stunning waterfalls. Dominica’s most iconic natural wonder is the Boiling Lake, the second-largest hot spring in the world.

Brac, the largest island in Croatia’s Dalmatian group, is a captivating destination that offers a blend of natural beauty, historical charm, and vibrant local culture. Known for its stunning beaches and picturesque landscapes, Brac is home to the world-famous Zlatni Rat beach, often regarded as one of the most beautiful beaches in the Adriatic Sea.

Killington, Vermont is best known for its ski resort, the largest in the eastern United States, but the town offers more than just winter slopes. Nicknamed “The Beast of the East,” Killington Resort spans six mountain peaks and includes over 1,500 acres of terrain. It was one of the first ski areas in the country to adopt snowmaking technology in the 1960s, and it continues to operate one of the longest ski seasons in North America, sometimes stretching from October into May.

The snorkeling is extraordinary in the reefs of Cano Island. Cano has its roots in pre-Columbian trading and is also a former burial ground for coastal Indians.

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.