From the most recent The American Biology Teacher [ 72, 5 (2010): 281-286]:
Introducing Students to Darwin via the Voyage of HMS Beagle
Janice C. Swab
ABSTRACT I use the diary that Darwin wrote during the voyage of HMS Beagle and recent images of a few of the places he visited to illustrate some comparisons between Darwin’s world and ours. For today’s students, increasingly committed to environmental issues, this may be an especially promising way to introduce Darwin.
The Dispersal of Darwin 