Want to watch better-quality PBS Video? Sign in to access HD streaming!
The remarkable story of the journey taken by President Theodore Roosevelt and legendary Brazilian explorer Candido Rondon into the heart of the South American rainforest to chart an unexplored tributary of the Amazon in 1913.
Upgrade Your Viewing Experience
This video is available to CallSign viewers with a Passport account. Passport gives you access to a wealth of premium content not previously available online, including full seasons of your favorite shows.