The Garden of Eden seems to be the source of the four rivers mentioned, however, some of the geography would require that the continents be arranged differently, and I don't know how exactly that would work. In Genesis, it says: Genesis 2:10-14. 10 A river went out from Eden to water the garden. From there it divided and became the source of ... More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.