A guide to the metropolis of Rio de Janeiro, with its white-sand beaches, lush rain forests and green mountains.

The varied landscape throughout Los Angeles is explored.

A look at what Auckland, New Zealand, has to offer.

Shanghai's transformation over the years is highlighted.

Mumbai, the financial and commercial capital of India, is explored.

A look at the culture and society of Seoul.

Exploring the history of the city of Cartagena in Columbia and the changes it is going through.

An overview of Shanghai, one of China's most populated cities, is also known as a leading port and major center for industry, commerce and finance.

The history, culture and traditions of Oslo are explored.

Dublin's past and future are explored.

The culture and economy of Amsterdam are explored during a tour of the city, which also examines life on the water.

Exploring the Moroccan city of Tangier's culture and diversity.

Season 4 begins by examining the impact of water and rail on the economy of Chicago. Also: a look at the gourmet delights of the city, as well as its architectural wonders.