Dakar, the lively capital of Senegal, stands at the edge of the Atlantic Ocean on the Cape Verde Peninsula. As the westernmost city on the African mainland, it has long been a crossroads of cultures, trade, and ideas.

Located in northern Oman, Nakhal is best known for its impressive fort set dramatically against the backdrop of the Hajar Mountains. Originally built centuries ago and later expanded, the fort showcases traditional Omani architecture and offers sweeping views of the surrounding palm groves and rugged landscapes.

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.

Alaska's largest city is the perfect place for anyone who wants a vacation filled with wildlife, outdoor activities, glaciers and gorgeous parks. Explore the rich culture and history of the indigenous people at the Alaska Native Heritage Center, hike the exquisite landscape of Flattop Mountain and finish the day with one of the many diverse restaurants and local beers.

Astana, officially known as Nur-Sultan, is the modern capital of Kazakhstan and a striking example of contemporary urban design in Central Asia.