Aerial archaeologists say the hot weather has produced parched landscapes which have revealed the remains of early settlements
The Roman forts and camps at Trimontium (Newstead) lie below the Eildon Hills near Melrose.
West Lindsaylands, near Biggar, South Lanarkshire - two arcs of ditches in the top right of the field may be the remains of a Neolithic enclosure and an Iron Age fort.
Burncastle, near Lauder - this Iron Age hill fort has been partly levelled by ploughing.
Burnfoot, near Quothquan in South Lanarkshire - the top enclosure may be a prehistoric settlement and is cut by the later enclosure which may be medieval in date.
Whitekirk, near East Linton in East Lothian - this is probably a medieval farmstead with a large rectangular building and adjacent yards and enclosures.
Greenwood, near Grantshouse in the Borders - this double ditched enclosure is probably an Iron Age settlement and is one of thousands of sites recorded over the last 30 years.
Redpath, near Melrose - this heavily defended prehistoric settlement was recorded for the first time in 2006.
Letham, Fife - this enclosure was recorded for the first time in 2006 and is likely to be late prehistoric in date.
Crail World War II airfield, Fife - buildings and paths that have been removed are visible as crop marks above the buildings that are still standing.