Tucked away in the heart of the Pacific Ocean, Nauru is one of the world’s smallest and least visited countries being an island nation just 21 square kilometers in size, with a population under 10,000. But its compact size makes exploring simple and rewarding. Visitors can circle the entire island by car in under an hour, taking in stunning ocean views, remnants of World War II bunkers, and clusters of colorful homes that speak to Nauru's resilient spirit and layered past.

Evidence of our nation's birth abounds in Boston, a hub of revolution that is essentially the oldest city in the United States. Visitors are compelled to walk the 2.5-mile Freedom Trail around the city center, and bear witness to 16 historical locations related to the history of America.

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.

The Yangtze River, a magnificent artery of China, stretches over 6,300 kilometers (3,917 miles) from the Tibetan Plateau to the East China Sea. As the longest river in Asia and the third longest in the world, it weaves through breathtaking landscapes and vibrant cities, making it a prime destination for travelers seeking both adventure and cultural immersion.

Red Sea beaches, world-class snorkeling and spectacular desert environments are all reasons to visit the port city of Aqaba, Jordan. Take a quick walk from the city's lovely waterfront promenade and behold its Old Town, which features the 14th century Mamluk Fort and the Aqaba Archaeological Museum.