Many travellers pre-book jungle lodge stays well before they get to Iquitos, but it is just as easy to spend a few days here, get some advice and then book a trip.

BBC: Into Peru��s Amazonian heart of darkness

Tourism to the Lamanai Outpost jungle lodge, in the wild heart of Belize, helps fund the Lamanai Field Research Center (LFRC) -- a not-for-profit venture established in 1992 to promote sustainable land use and tourism in the Central American country.

BBC: Tagging crocodiles in Belize

There is a similar set up of no electricity and cold-water showers (not a problem in the jungle heat) at Otorongo Lodge.

BBC: Into Peru��s Amazonian heart of darkness