In 1972, she was commissioned by Woman's Own magazine to live for two months with an Omani family, and later organised four expeditions with her husband to locate the lost frankincense city of Ubar in Dhofar.

[7] In 1972, she devised a plan to circumnavigate the world along its polar axis, and ten years later her Transglobe Expedition team became the first to reach both poles, to cross Antarctica and the Arctic Ocean, through the North West Passage.

[8] In 2020 the Government of the British Antarctic Territory honoured the contribution she made to "furthering the understanding, protection and management of Antarctica" by naming Mount Fiennes.

[10] Co-authored with her husband, Sir Ranulph Fiennes, it describes the adventures of her Jack Russell Terrier named Bothie who was the "only dog ever to set paw on both the South and North poles".

[11] In the 1980s, she moved to Exmoor National Park and began to raise a herd of pedigree Aberdeen Angus cattle and a flock of black Welsh Mountain sheep, becoming a highly proficient hill farmer on one of the highest working farms in the South West.