MailOnline Travel has selected pictures of some of the world's most breathtaking walled cities and towns to inspire you to book your next historic holiday. These spectacular walled communities ...

In an eight-second exposure, Nicolas Ruel captures the motion, color, and energy of some of the world’s busiest cities. Verdant Victoria Peak overlooks high-rise towers in densely populated Hong ...

We decided to follow Beschloss' lead, and hunted down early photos from a handful of other big cities across the United States. Check out these early photos from 12 big cities below. Philadelphia, Pa.