Delhi is a sprawling metropolis in North India that contains the country's capital, New Delhi. Life is abuzz and hectic here, with traffic going every which way. A huge population shuffles through Delhi's streets, alleys and food and spice-selling bazaars, and it's quite memorable to be a part of it all.

Willemstad, the capital of Curaçao, is unlike any other city in the Caribbean. With its pastel-colored buildings lining the waterfront and a layout shaped by Dutch colonial planning, the city blends European design with Caribbean culture. Its historic center, divided by Sint Anna Bay into Punda and Otrobanda, has been recognized as a UNESCO World Heritage Site.

Located in western Austria, Innsbruck is a charming European destination on the banks of the Inn River. A popular stop for skiing, Innsbruck is nestled within the Alps and offers a variety of cable cars to whisk you to the mountains for outdoor sports and spectacular views of the Innsbruck below.

Southeast Spain's seaport of Cartagena is a large naval base on the Mediterranean coast. The city was founded in 220 B.C. and boasts Roman ruins, mosaics and murals.

Chania, the jewel of western Crete, is a city where history, culture, and natural beauty converge to create a captivating experience. Known for its Venetian harbor, Chania boasts a unique blend of Venetian, Ottoman, and Greek influences. The harbor's old lighthouse, built in the 16th century by the Venetians, stands as a timeless sentinel over the bustling waterfront, which is lined with colorful buildings, inviting cafes, and vibrant tavernas.