The park was named a National Historic Landmark in 1963.
ð ə WORD_BOUNDARY p ɑ ɹ k WORD_BOUNDARY w ʌ z WORD_BOUNDARY n eɪ m d WORD_BOUNDARY ʌ WORD_BOUNDARY n æ ʃ ə n ə l WORD_BOUNDARY h ɪ s t ɔ ɹ ɪ k WORD_BOUNDARY l æ n d m ɑ ɹ k WORD_BOUNDARY ɪ n WORD_BOUNDARY n aɪ n t iː n h ʌ n d ɹ ɪ d WORD_BOUNDARY s ɪ k s t i WORD_BOUNDARY θ ɹ iː WORD_BOUNDARY