Regensburg, Germany’s medieval gem, will transport you to a bygone era. The site of both Celtic and Roman settlements, Regensburg flourished in the Middle Ages.

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.

Located on the banks of the Danube, Spitz an der Donau is a charming market town in Austria's Wachau valley. Occupied since Celtic times, Spitz offers spectacular views of the Danube valley.

Karpathos is marked by the peculiar Karpathian houses, built of carved stone, full of embroidery and characteristic interior decorations. From Pigadia you may visit Kyra Panagia, a picturesque bay with a marvelous beach and a monastery of the same name. A little further, on the northern promontory of Karpathos, lies the Diafani village; on the nearby little island of Saria we see Palatia, with ruins of the ancient city of Nisyros.

Khiva, located in western Uzbekistan’s Khorezm region, is one of Central Asia’s most evocative Silk Road cities.