In 1976, a man from Dunbar launched an expedition in Ecuador like none other. Stan Hall, a Scottish engineer, fascinated by missing history and lost treasure, manages to encourage over 100 scientists, military personnel, and explorers from all over the world to descend into the Tayos caves in Ecuador - with hopes of finding an ancient treasure. How did Stan pull off the biggest cave expedition and treasure hunt to date? And how did a man from Dunbar manage to convince the world's most famous explorer of all time, Neil Armstrong, to go with him? What was Stan Hall's gold? Let's find out!

Interviews with:

• Eileen Hall, daughter of Stan Hall continuing on his work
• Cathleen Hall, Stan's second daughter
• Dr Theofilos Toulkeridis, one of Ecuador's top geologists and cave mapper.
• Ashley Cowie, Scottish explorer, TV presenter and treasure hunter, living in Columbia.
• Stan Hall, recorded in 2007, given with permission from Eileen.

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