An aerial view of the Oheka Castle in Huntington, New York. J. Conrad Williams, Jr./Newsday RM via Getty Images

If you've ever read or seen "The Great Gatsby," you know 1920s New York was home to extravagant mansions with owners who hosted lavish parties — and if you've watched "The Gilded Age," you know those parties began decades earlier in the 1870s.

And if you're a really dedicated fan, you just missed your chance to own a piece of F. Scott Fitzgerald history yourself. Oheka Castle, a sprawling, century-old estate said to have inspired the parties in "The Great Gatsby," went up for auction on October 27, via Concierge Auctions and Adam Modlin of The Modlin Group .

Its original homeowner was financier Otto Hermann Kahn, who built Oheka Castle — named after its owner (Oh-He-Ka) — in 1919 on Long Island.

Kahn's wife used to call the home "Otto's zoo," and it seemed to be an accurate description.…