turismoroma (March 24, 2023) – The Garden of Ninfa (Giardino di Ninfa), built on the ruins of the medieval town of Ninfa in the Pontine Marshes (Agro Pontino), has been classified by the New York Times as one of the most beautiful and romantic gardens in the world. Declared a Natural Monument by the Lazio Region, the garden, given the delicate environmental balance, may only be visited on certain days of the year.