This thriving port city has so much to offer, including several museums, the beautiful historic quarter Porto Antico and La Lanterna. This lighthouse is Genoa's best known landmark and provides stunning views over the port and bay.

Nestled along the south bank of the Danube, this historical Austrian city bursts with charm. A favorite stop on European river cruises, the city's most famous attraction is Melk Abbey, which dates back to the 11th century. The original Benedictine structure was lost to fires and foreign invasion, then rebuilt during the 18th century in lavish Baroque style, including a library and inner church covered in magnificent frescoes and gilded fixtures.

East of Anchorage and Chugach State Park, College Fjord offers a glimpse into some of Alaska's most beautiful natural landscapes. Located in Prince William Sound, College Fjord is filled with stunning glaciers and is a popular site for Alaskan cruises.

Isabella Island is the largest of the Galapagos islands, on the western end of the archipelago. Shaped like a seahorse when viewed from above, Isabella is home to more wild tortoises than any other island, as well as a wide variety of other animal, bird and marine life.

The Netherlands Antilles refers to a group of island territories in the Caribbean, formerly a constituent country of the Kingdom of the Netherlands. Though their legal statuses now differ, these islands are still commonly referred to collectively: Aruba, Curaçao, Sint Maarten, Bonaire, Sint Eustatius and Saba.