For me, these work best for inspiration and building up courage. My favourite travel/adventure documentaries:

Encounters at the End of the World (2007)
Guide: Werner Herzog
Destination: McMurdo, Antarctica



Meru (2015)
Guides: Jimmy Chin, Elizabeth Chai Vasarhelyi 
Destination: Meru Peak, Himalayas, India




180° South (2010)
Guide: Chris Malloy 
Destination: Patagonia






Baraka (1992)
Guide: Ron Fricke




Samsara (2011)
Guide: Ron Fricke





The Salt of the Earth (2014)
Guide: Wim Wenders and Juliano Ribeiro Salgado