In the Swiss Alps, a Roman dagger discovery reveals a 2,000-year-old battlefield where the Suanetes tribe fell to the Roman Empire. The ill-fated 1897 Arctic balloon expedition led by Salomon August Andree is reexamined, uncovering the tragic journey of the crew and startling findings. High in the Andes, a 2015 excavation at the Cuncaicha rock shelter exposes the skeletal remains of five early hunter-gatherers, offering insights into their harsh lives. Finally, the Indian army's controversial announcement of 'yeti footprints' at Makalu Base Camp sparks debate and renewed interest in the legendary creature.