The Motherland Calls  behemoth in Volgograd, Russia or the 692ft-high (craziness!)  Spring Temple Buddha statue  in Henan, China. 169. Tour Hagia Sophia Hagia Sophia was a  Orthodox   patriarchal   basilica  (in then-Constantinople) from 360 A.D. to 1453—being a Roman Catholic one for a short period in the 13th-century—and later a  mosque