For wildlife lovers, the must is :

Nobody can make you discover Alaska best than Christiane and Lionel :
Grand Frisson.

But if you want to plan your travel by yourself, you will find many advices on :
Aventure du Bout du Monde.

And for the pleasure of your eyes, take a look at the sites of talentuous photographers :
Agnès Escriva :
Florence Diguer :
Muriel Vekemans :
Valérie Blanca et Pascal Clochez :