1 MALGORZATA Z. WILCZKIEWICZ * LE FRAK CENTER IN PROSPECT PARK (BROOKLYN, NEW YORK) AS AN EXAMPLE OF AN ADDITION ONTO A HISTORICAL LANDMARK Abstract To introduce a contemporary function into a historic park, needs both the skills of modern architecture and the knowledge of historical monuments. This has also been employed as a method to eliminate the wear of time from the living park's deterioration. This new functional building with all its’ facilities and accessible spaces demands and expects the proper behavior from all park visitors. LeFrak Center at Lakeside, at Prospect Park is not the only example of a modern inference in the landmark park. Also, it is the beginning to the process of preservations work recently completed, at Prospect Park. In the article, the author presents the LeFrak Center as a good example of modern, sustainable architecture incorporated into the existing landscape of Prospect park. Key words: restoration, threats, sustainable development 1. Introduction In the first days of January 2014, the new recreation center located in Prospect Park was opened for public use. A multifunctional complex used as a ice skate ring in Winter and in Summer is converted to a shallow pool and skating ring. The Complex's facilities ( toilets, bar and cafeteria) also served for Park's visitors, not attending the Center. The creation of a Center was a good occasion to reconstruct the previous composition Concert Grove (design by F.L. Olmsted and Calvert Vaux) which had been destroyed in the Sixties by poor design. * architect Malgorzata Z. Wilczkiewicz, Ph.D. Dept. of Land Management and Landscape Architecture, Faculty of Environmental Engineering and Land Surveying, University of Agriculture in Krakow. m.wilczkiewicz@ur.krakow.pl