Khiva, located in western Uzbekistan’s Khorezm region, is one of Central Asia’s most evocative Silk Road cities. Its walled inner city, known as the Itchan Kala, has preserved a remarkable collection of mud-brick architecture, minarets, mosques, and madrasahs that reflect centuries of Islamic culture and trade. Khiva served as a thriving trading hub and political center, linking merchants and scholars across the desert routes of the region.

Hlane Royal National Park lies in northeastern Eswatini, a reserve shaped by both wildlife and cultural heritage.

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.

Virginia is a state where past and present share the same ground. In places like Colonial Williamsburg, costumed interpreters walk the same streets once frequented by American revolutionaries, while nearby Jamestown and Yorktown complete what's known as the Historic Triangle. Outside its historic corridors, Virginia surprises visitors with its changing landscapes, from the rolling horse farms of Middleburg to the rugged terrain of the Blue Ridge Mountains.

The River Nile, most often associated with Egypt and its ancient civilizations, actually flows through eight other countries including Uganda, Ethiopia, Sudan, and Kenya. It is formed by two major tributaries, the White Nile and Blue Nile, and is considered by many to be the longest river in the world when measured from its source waters in Rwanda and Burundi.