Trace the origins of civilization as you sail the Aegean Sea. Spend two days in Istanbul, a compelling blend of Eastern and Western cultures. Travel to the ruins of Troy, long steeped in myth and a UNESCO World Heritage Site. Explore historic sites in Ephesus and experience the distinct character of the islands of Rhodes and Crete. Discover the architectural legacy of ancient Athens and the city’s charming port of Piraeus during an overnight stay.

17 Days, featuring: Chengdu

This spooky season, set sail on a 5-night West Coast getaway that departs from Los Angeles and docks the next day in Catalina Island.

Journey along the Rhône and the Rhine, through landscapes shaped by centuries of history, viticulture and art. Taste complex red wines and crisp whites grown on terraced vineyards rooted in the Roman Empire. Explore Avignon’s grand Palace of the Popes and Cologne’s majestic cathedral, both UNESCO Sites. Savor Lyon’s rich culinary traditions and the Rhineland’s hearty flavors and admire the landscapes that inspired van Gogh in The Netherlands and Provence.

It takes the promise of a special adventure to leave Barcelona but that’s exactly what you can expect on this exciting 7-day cruise. Your journey starts in Valencia, with a city tour that includes visits to key landmarks like Mercado Central, famous for its fresh produce and local delicacies. Ceviche, anyone? Ride to the Rock of Gibraltar by cable car before exploring the depths of St Michael’s mysterious caves.

10 Days, featuring: Vienna

Embark the National Geographic Explorer for a thrilling exploration of the far north's ice-carved landscapes, sailing from Greenland to Newfoundland and Labrador.