Google Maps Greystone Castle, Inc./Facebook Hiding in plain sight in the small town of Canastota (say that three times fast), Greystone Castle now serves as the perfect place for loved ones to have their wedding. The quaint castle was completed back in 1910, but sadly fell into disrepair for thirty years until the 1990s when its current owner saved it from being demolished. Now listed on the National Register of Historic Places, this incredible building's architecture will ...