Portland Armory
... that the Portland Armory in Portland, Oregon was the first building on the National Register of Historic Places to achieve a Platinum Leadership in Energy and Environmental Design certification?
... that the <b id="mwF_I"><a class="mw-redirect" href="./First_Regiment_Armory_Annex" id="mwF_M" rel="mw:WikiLink" title="First Regiment Armory Annex">Portland Armory</a></b> <i id="mwF_Q">(pictured)</i> in <a href="./Portland,_Oregon" id="mwF_U" rel="mw:WikiLink" title="Portland, Oregon">Portland, Oregon</a> was the first building on the <a href="./National_Register_of_Historic_Places" id="mwF_Y" rel="mw:WikiLink" title="National Register of Historic Places">National Register of Historic Places</a> to achieve a Platinum <a class="mw-redirect" href="./Leadership_in_Energy_and_Environmental_Design" id="mwF_c" rel="mw:WikiLink" title="Leadership in Energy and Environmental Design">Leadership in Energy and Environmental Design</a> certification?