Bikes park near an arched stone bridge above bathers enjoying the water on Arran Island, Scotland, July 1965.Photograph by Robert Sisson, National Geographic

Bikes park near an arched stone bridge above bathers enjoying the water on Arran Island, Scotland, July 1965.Photograph by Robert Sisson, National Geographic

Dogs help a Scottish gamekeeper keep watch in Aberfoyle, Scotland, March 1919.Photograph by William Reid, National Geographic

Dogs help a Scottish gamekeeper keep watch in Aberfoyle, Scotland, March 1919.Photograph by William Reid, National Geographic

Many methods were tried, some unorthodox, in an effort to lure the Loch Ness monster into camera range. Here brave divers execute a baiting using cow’s blood and a bait basket trolled at a 60-foot depth.Photograph by Emory Kristof, National Geographic

Many methods were tried, some unorthodox, in an effort to lure the Loch Ness monster into camera range. Here brave divers execute a baiting using cow’s blood and a bait basket trolled at a 60-foot depth.
Photograph by Emory Kristof, National Geographic

A Highland cow is bid on at an auction, May 1970.Photograph by Kenneth Macleish, National Geographic

A Highland cow is bid on at an auction, May 1970.
Photograph by Kenneth Macleish, National Geographic