Despite crowds, Beijing’s subway system is calm, clean, efficient

As the world’s third most-populous city, getting around in Beijing takes some planning. For example, the city’s 21 million residents are only allowed to drive their vehicles in designated sections of the city. In an effort to curb pollution, a system is also in place to regulate which days certain drivers can hit the road….

WATCH: Touring Germany by high-speed train

Planes, trains, & automobiles — I did it all to travel across Germany. Click here for the spectacular view from the Deutsche Bahn ICE train!