Then, on the expedition's final day, the weary explorers teamed up with Nyameron, who led them deep into the forest to a thicket that contained the most plants they had seen.

WSJ: The Indiana Jones of Coffee

The road meanders past farm houses, skittish livestock and intriguing snapshots of rural Romanian life, before it abruptly veers left and plentiful blue crosses lead up a steep hill and deep into the forest.

BBC: Romania��s Prince Charles walk

During the quieter parts of the year (avoid August where increased numbers of tourists scatter the wildlife away from the river, and fruiting season drives the orangutans deep into the forest), you will not need to travel far before you see trees filled with proboscis monkeys.

BBC: Drifting down the Sekonyer

The Hollyford Track takes you through beech forest into the true Deep South of New Zealand and onto the West Coast beaches, remote and wild.

BBC: New Zealand��s tracks less travelled