California is a destination that offers an unparalleled variety of experiences, making it one of the most visited states in the U.S. From the snow-capped peaks of the Sierra Nevada to the sun-kissed beaches of San Diego, California's diverse landscapes cater to all kinds of outdoor enthusiasts, offering endless opportunities for hiking, surfing, skiing, and more.

Originating as a tiny fishing village in 1038, modern Kehl has become an important link between Germany and France. Rhine River cruises most often use Kehl as their gateway to the much larger and better-known Strasbourg. The savvy traveler, though, might choose to skip the jaunt across the river and enjoy many similar sights, shopping and cuisine as those offered in the teeming French city.

Nestled in the heart of Italy, Umbria is often called the "Green Heart of Italy" due to its lush landscapes and rolling hills. This region offers visitors a tranquil escape from the bustling cities, with medieval hilltop towns, rich history, and exceptional cuisine. Perugia, Umbria's capital, is a cultural hub known for its well-preserved Etruscan history, including the Etruscan Well and Arco Etrusco, a gateway dating back to the third century BC.

Opatija, located on Croatia’s Kvarner Bay, has been drawing visitors since the 19th century, when Austro-Hungarian aristocrats built grand villas along its Adriatic shoreline. Today, many of those same buildings still stand with some restored as luxury hotels and others preserved as cultural landmarks. The town’s most recognizable structure, Villa Angiolina, opened in 1844 and marked the start of Opatija’s rise as a fashionable seaside resort.

Sardinia, an island gem in the Mediterranean Sea, beckons travelers with its stunning landscapes and rich cultural heritage. Known for its dramatic coastline and crystal-clear waters, Sardinia boasts some of the most beautiful beaches in Italy. The Costa Smeralda, with its turquoise waters and white sandy beaches, is a highlight, attracting sun-seekers and luxury travelers alike.