A true-life drama in the 1920s, centering on British explorer Col. Percy Fawcett, who discovered evidence of a previously unknown, advanced civilization in the Amazon and disappeared whilst searching for it.
- Genre: Adventure, Drama, History
- Studio: Plan B Entertainment, Northern Ireland Screen, Keep Your Head Productions, Sierra/Affinity, MICA Entertainment, MadRiver Pictures
- Keyword: based on novel or book, river, snake, expedition, world war i, lost civilisation, biography, amazon, tribe, colonel, jungle, south america, explorer, journey, 1920s, mysterious lands
- Cast: Charlie Hunnam, Robert Pattinson, Sienna Miller, Tom Holland, Angus Macfadyen, Edward Ashley