Chile just launched their new 2800km (1740 mile) hiking route. It mainly just links three existing trails, but looks amazing nonetheless.

https://www.bbc.co.uk/news/world-latin-america-45663960

http://www.rutadelosparques.org/
Official site, it's under heavy strain and the English version isn't ready yet, so good luck

https://www.youtube.com/watch?v=eWmAkNPlOws