The Clark Telescope Dome in Lowell Observatory, Flagstaff, Arizona. #flagstaff #flagstaffaz #lowellobservatory #observatory #astronomy #nationalhistoriclandmark #telescope #clarktelescopedome #science #space #research #universe #travel #instatravel #traveling #travelling #travelphotography #traveller #travelblog #travels #travelpics #travelbug #travelphoto #worldtraveler #worldtravel #instatravel #travelgram #instago #travelblogger #wanderlust