Seven miles outside of historic Athens, the Greek coastal city of Piraeus lies upon the sparkling waters of the Aegean Sea and is the largest passenger port in Europe, servicing nearly 20 million passengers per year.

Ho Chi Minh City, formerly known as Saigon, is the most populous city in Vietnam at 9 million people. It is an enticing mix of the old and new, with European architecture due to French colonization to towering skyscrapers and modern shopping malls.

Known as the "Garden Island," Kauai is Hawaii's oldest island and a tropical paradise. Covered with verdant rainforests, glittering waterfalls, and immense cliffs, Kauai will astound you at every turn. This island is the perfect destination for outdoor adventures, with activities from kayaking, to ziplining, to snorkeling. Better yet, marvel at the island's natural beauty, from the scenic cliffsides of Nāpali Coast State Wilderness Park to the resort beaches of Poipu.

Bright red Molja Lighthouse beckons you to explore Alesund, the tiny seaside town along the western fjords of Norway. A popular destination for Norwegian cruises, this coastal jewel will charm you with a colorful harbor, verdant natural beauty, and fresh seafood.

Aït Benhaddou, a UNESCO World Heritage Site, is a captivating ksar (fortified village) nestled on the ancient caravan route between Marrakech and the Sahara in Morocco. Known for its stunning earthen clay architecture and towering kasbahs, Aït Benhaddou offers visitors a glimpse into Morocco's rich history and Berber culture.