Europe has long been a center of great cultural and economic achievement. The ancient Greeks and Romans produced major civilizations, famous for their contributions to philosophy, literature, fine art, and government.

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.

Canada's second-largest city and the most populous city in Québec, Montréal is a cultural capital and replete with magnificent architecture, immersive museums, and lush botanical gardens and parks.

Officially called Inyeug, this tiny islet in Vanuatu is more commonly known as Mystery Island. No one permanently resides here, but its placid turquoise waters, pure white sand, and vibrant marine life draw hundreds of cruise passengers and daytrippers each year.

Located on the banks of the Danube, Spitz an der Donau is a charming market town in Austria's Wachau valley. Occupied since Celtic times, Spitz offers spectacular views of the Danube valley.