Sandringham Gardens rounded off the top three spots. Visitors that travel to the Gardens this summer will be able to enjoy the special Butterfly Meadow.
In place from July 16 until September 1, the Gardens will host an incredible installation of 1,500 butterflies.
Picnickers could enjoy the stunning shrubbery which was instigated by the Queen in the late 1960s and features rhododendrons, camellia and magnolia trees.
Hever Castle was the fourth most popular spot. The Castle was once the family home of Anne Boleyn.