Freiburg was founded by the Dukes of Zähringen in 1120, and the layout of streets and squares of the rapidly prospering metropolis is still impressively reflected in today's cityscape.

A city in perpetual forward motion, Abu Dhabi greets visitors with gleaming skyscrapers and opulent Islamic architecture. There is much to see here, from the recently opened Louvre Abu Dhabi to the gigantic Sheikh Zayed Grand Mosque, with its white marble splendor. Beach life and turquoise waters can be found on Saadiyat Island, Al Bateen and Corniche Beach.

Nestled between two nature parks and the Rhône River, picturesque Arles will absolutely delight any traveler to the south of France. Situated near Marseille in the Provence-Alpes-Côte d’Azur region, Arles boasts small town charm and its architectural treasures have been heavily influenced by the city’s role as an ancient Roman capital.

Alaska's largest city is the perfect place for anyone who wants a vacation filled with wildlife, outdoor activities, glaciers and gorgeous parks.

Barranquilla sits near the mouth of the Magdalena River on Columbia's Caribbean side. It is a major seaport and a center of commerce, but everyone breaks loose for four days in February for one of the liveliest carnivals outside of Rio.