Duncansby Head Lighthouse and Sea Stacks the most Northerly Point of mainland Britian .
Duncansby Head Lighthouse sits on the most north-easterly point of the British mainland in Caithness, Scotland, just 1.5 miles from John o' Groats. Built in 1924 by David A. Stevenson, the 11-metre square concrete tower stands atop 67-metre cliffs overlooking the turbulent Pentland Firth. The Duncansby Sea Stacks are towering, jagged sandstone ...