Other
The Voyage of the Beagle, Second Edition (Online Text)
Charles Darwin's famous journey is chronicled here in this online book. Read it just as it was published in 1845.
CK-12 Foundation
Ck 12: Episd: Darwin's Voyage of the Beagle
[Free Registration/Login may be required to access all resource tools.] A complete resource featuring the research Darwin did on his trip to the Galapagos Islands and discover a more current Farallon Island with a similar environment.