Metropolis

2. San Francisco

Defining moments in the history of San Francisco are highlighted. Included: the California Gold Rush; the great earthquake of 1906; the invention of the cable car; the Golden Gate Bridge.

3. Rome

Travel Channel stars reveal historic tidbits about Rome. Included: a look at how fire led to outdoor drinking; and the influence of American GIs on an iconic pasta dish.

4. London

Travel Channel stars explore the history of London, including its street food and the birth of stock exchanges.

5. Paris

The history and culture of Paris is explored, including its rich culinary roots. Included: the role baguettes played in the French Revolution; the birth of the celebrity chef; and the pharmacist who invented French fries.

6. New Orleans

Travel Channel stars explore different aspects of New Orleans. Included: swamps, steamboats and po'boys.