Sudan, located in northeastern Africa, is a country of diverse landscapes, from the vast Sahara Desert in the north to the fertile Nile Valley in the center. The Nile River, one of the world’s longest, runs through the country, shaping both its agriculture and history.

Karatu, located in northern Tanzania between Lake Manyara and the Ngorongoro Crater, is more than just a stopover for safari-goers. This highland town, surrounded by rolling farmland and volcanic hills, offers travelers a closer look at daily life in the region. The area is home to the Iraqw people, known for their terraced farming, traditional homesteads, and unique language unrelated to most other East African tongues.

Dotted with lighthouses along its shoreline, Portland, Maine is a coastal gem in the northeastern United States and a veritable paradise for lovers of fresh seafood, craft breweries, and small-town charm. At the center of downtown Portland, the Old Port neighborhood boasts a number of unique and historical buildings, trendy restaurants and bars, and picturesque views of the Portland Harbor.

Toledo, high above the Tagus River in central Spain, is a city where layers of history are visible around every corner. For centuries it was an important Roman settlement, a Visigothic capital, and later a stronghold during the medieval Christian reconquest, before becoming the seat of royal power and a crossroads of cultures. Because of this long span of stories and architectural richness, the whole old town has been recognized as a UNESCO World Heritage Site.

Hot Springs, Arkansas has been drawing visitors for centuries, and it all starts with the water. The city sits atop a natural thermal spring system that produces nearly a million gallons of 143-degree water each day. These springs gave rise to Bathhouse Row, a stretch of eight historic bathhouses within Hot Springs National Park. Some, like the Fordyce Bathhouse, now serve as museums, while others still offer traditional thermal soaks.