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.

South Dakota, known for its striking contrasts, from sacred Indigenous landmarks to dramatic prairie landscapes, offers travelers a rare chance to experience stories etched in both stone and living tradition. Mount Rushmore may be the most photographed site, but just 17 miles away, the Crazy Horse Memorial tells a deeper story. In the west, the Black Hills are full of geological surprises and sacred sites. Custer State Park offers scenic drives where herds of bison often stop traffic.

Perched on the cliffs of Italy's Amalfi Coast, Positano is a picturesque haven renowned for its dramatic beauty and charming character. This coastal gem is celebrated for its colorful, cascading buildings that cling to the steep hillsides, offering stunning views of the turquoise waters of the Tyrrhenian Sea. The town’s narrow, winding streets are lined with boutique shops, cafes, and restaurants, inviting visitors to explore its vibrant atmosphere.

Copán, Honduras, is a hidden gem in Central America that beckons travelers with its extraordinary blend of ancient history, lush landscapes, and vibrant local culture. Known as the "Athens of the Maya," Copán is home to one of the most significant and well-preserved archaeological sites of the Mayan civilization, a UNESCO World Heritage Site.

Luang Prabang, the jewel of northern Laos, captivates travelers with its blend of serene spirituality, French colonial charm, and breathtaking natural beauty. This UNESCO World Heritage Site is nestled between the Mekong and Nam Khan rivers, creating a tranquil setting where time seems to slow down. Here, ancient temples with glistening spires, like Wat Xieng Thong, sit alongside quaint colonial-era villas, inviting visitors to explore the harmonious fusion of Lao and French cultures.