In Greek mythology, the Gargareans were a tribe of all-men. They were raped by/kidnapped and killed by/willingly had sex with the Amazons annually in order to keep both tribes reproductive.
... marine biologist and explorer
Alexandra David-Néel, (1868-1969), French explorer, visited Lhasa, Tibet in 1924
Cavalier de la Salle[?], explorer
Hernando de Soto, ...