" If you’ve ever visited Green-Wood Cemetery, you’ve probably seen and wondered about the old Weir Greenhouse. The shuttered and dilapidated building sits across the street from Green-Wood’s main entrance at 749-750 5th Avenue, on the corner of 25th Street.
Despite its ramshackle appearance, the Weir Greenhouse is a significant building, the only known Victorian commercial greenhouse still standing in New York City. Landmarked in 1982, it was the first and last stop for many visitors to Green-Wood, Brooklyn’s greatest tourist attraction in the 19th century, and will soon be so again.
Green-Wood bought it and is remaking it into a visitor’s center. (The nonprofit landmark crowed about its purchase on its blog here.) "