At Scapa Flow most of the extant naval heritage from its use as a naval base, 1914–57, can be found around Lyness on the island of Hoy.
Photos taken by David Davies in January 2013.

Lyness, Hoy: the Scapa Flow museum and visitor centre, featuring guns salvaged from scuttled warships of German High Seas Fleet. Image by J. D. Davies.

Hoy Kirk: pulpit allegedly made from panels salvaged from a Spanish Armada wreck. Image by J. D. Davies.

Hackness Martello Tower, Longhope, Hoy, built to protect anchorage from which Baltic convoys sailed during Napoleonic wars. Image by J. D. Davies.