please see now: http://www.berndtesch.de/English/Continents/America/NorthandSouthAmerica.html
Overland to, in and around North -and South America by Motorcycle
Both Americas Motorcycle - Travels / Reisen / Adventures
= Süd- + Nord-Amerika Motorrad-Reisen
On this site you find summaries of travellers who have travelled already in South-America, just travelling ther or have the plan to travel S- and NA.
Alaska > Tierra Del Fuego (Southern tip of South America) + Tierra Del Fuego > Alaska
= Alaska-Feuerland Motorrad-Reisen
North- and South-America including other continents