New Orleans is unlike any other city in the United States. Founded in 1718, it carries layers of French, Spanish, African, and Caribbean influence that can be felt in everything from its architecture to its street music. The French Quarter, the oldest neighborhood in the city, is full of iron-laced balconies, gas lamps, and narrow streets that echo with the sounds of live jazz.

Bora Bora, often referred to as the "Jewel of the South Seas," is the epitome of tropical luxury. Nestled in the Society Islands of French Polynesia, this idyllic island is famed for its stunning turquoise lagoon, ringed by a barrier reef and dotted with overwater bungalows.

Speyer, located in the Rhineland-Palatinate region of Germany, is a city rich in history and culture. One of its most notable landmarks is the Speyer Cathedral, a UNESCO World Heritage Site and one of the largest Romanesque churches in the world.

Khartoum, the capital of Sudan, sits where the Blue and White Nile rivers meet, creating a unique landscape of waterways, islands, and riverbanks.

Cagliari is Sardinia's capital and largest city. Several civilizations have left their imprint here architecturally and culturally. Must-sees include the Museo Archeologico Nazionale di Cagliari, with its Roman and Byzantine treasures, as well as Castello, a medieval quarter situated on a hill above the city. The city is also known for its food and vibrant nightlife.