Dikili leads the way to the ancient city of Pergamum, also known as Bergma. This city thrived under the Romans from the 2nd century BC to the 2nd century AD. One of the most fascinating aspects of the ancient site is the medical complex, Asklepieon, where advanced psychological treatments were practiced.

Guanajuato is situated between the dry north of the country and the more verdant south, and geographically belongs to the Trans-Mexican Volcanic Belt, the Mexican Plateau.

Golfito is a small port town on Costa Rica's southern Pacific coast, set along a narrow bay on the Golfo Dulce in Puntarenas Province. Steep, forested hills rise immediately behind the town, while the bay provides sheltered waters for boats and fishing activity.

Galle, a coastal city in southern Sri Lanka, is a place where history and the sea are inseparably linked. Once a vital port on the spice trade routes, Galle reached its peak under Dutch colonial rule in the 17th century, when the massive Galle Fort was built.

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.