This cultural capital and university city holds more than 2,000 years of history and is the cultural hub of Germany. Marvel at the gorgeous twin-spired Cologne Cathedral, known for its gilded medieval reliquary and sweeping river views, or lose yourself in one of Colonge's many museums for a few hours. Cologne boasts of having most pubs per person in Germany, so make sure you sit down for a refreshing regional Kölsch beer during your travels!

Big Sky, located in southwestern Montana, is a mountain town renowned for its expansive wilderness, world-class skiing, and outdoor adventure opportunities. Nestled between the Spanish Peaks and the Gallatin Range, it offers a dramatic backdrop of rugged mountains, dense forests, and alpine meadows.

Augsburg was founded in 15 BC under the rule of the Roman emperor Augustus. For 400 years the city was the seat of a provincial government of the Roman empire. Its ideal location made it a crossroad of all important routes to the south. An advantage from which the powerful merchants and bankers, the Fugger family and the seafaring Welsers, likewise profited. They elevated Augsburg to rank among the world's most powerful cities. Kings and emperors were frequent guests here.

Salamanca, often called the “Golden City” for the warm glow of its sandstone buildings, is a place where centuries of stories are etched into every wall. Visit its historic center to wander through cobbled streets lined with architectural marvels. The University of Salamanca, founded in 1218, is one of the oldest in Europe and still buzzes with student life.

Addis Ababa is the capital of Ethiopia and a highland city set at the foot of the Entoto Mountains. Its elevated setting gives the city a relatively cool climate compared with much of the country, while broad avenues, busy neighborhoods, green hills, and expanding modern districts create a varied urban landscape. Addis Ababa is also the headquarters of the African Union and hosts numerous international organizations, giving it an important diplomatic role across the continent.