Though the sign says 1965, the temple site was actually designated a national historic landmark in 1962.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/49169223@N00">daryl_mitchell</a> from Saskatoon, Saskatchewan, Canada
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/daryl_mitchell/8584335568/">National Historic Landmark</a>