BROOKLYN HEIGHTS HISTORIC DISTRICT HAS BEEN DESIGNATED A NATIONAL HISTORIC LANDMARK THIS SITE POSSESSES NATIONAL SIGNIFICANCE IN COMMEMORATING THE HISTORY OF THE UNITED STATES OF AMERICA 1965 NATIONAL PARK SERVICE UNITED STATES DEPARTMENT OF THE INTERIOR THE BROOKLYN HISTORICAL SOCIETY NATIONAL HISTORIC LANDMARK THIS SITE POSSESSES NATIONAL SIGNIFICANCE IN COMMEMORATING THE HISTORY OF THE UNITED STATES OF AMERICA DESIGNED BY ARCHITECT GEORGE B. POST AND OPENED IN 1881, THIS MUSEUM AND LIBRARY STRUCTURE FEATURES AN INNOVATIVE TRUSS SUSPENSION SYSTEM, PIONEERING USE OF ELABORATE TERRA COTTA ORNAMENT, AND INTERIOR DETAILS OF HAND CARVED WOODWORK, CUSTOM BRONZE HARDWARE. STAINED GLASS, AND MINTON TILE FLOORS. NATIONAL PARK SERVICE UNITED STATES DEPARTMENT OF THE INTERIOR DESIGNATED 1991 Submitted by @lampbane