Another remarkable (to me) item is that the S-38 and S-39 used by Martin and Osa Johnson in Africa in the 1930s
http://www.airminded.net/sikorsky1/s38.html
http://www.airminded.net/sikorsky1/s39.html
have essentially been recreated as replicas. Some original parts were used.
IIRC, they also use one or both of these planes on an expedition to Borneo.
Elwood ("Woody") Quesada was one of their pilots in Africa. He was later first head of the US FAA.
http://www.af.mil/bios/bio_6575.shtml