President Trump’s approach to foreign policy deals is reviving a bygone imperial approach that may backfire, experts say.

Another invisible line is the Qinling-Huaihe line, which separates China into two distinct regions: the humid and subtropical south and the dry, temperate north.

a map type dating back to 1569, introduced by Geradus Mercator. It's a cylindrical projection derived mathematically, with horizontal parallel straight lines spaced further apart as their distance ...

Britain and its Empire lost almost a million men during World War One; most of them died on the Western Front. Stretching 440 miles from the Swiss border to the North Sea, the line of trenches ...