adj. 25B6; adjective
heroic rescuers : BRAVE, courageous, valiant, valorous, lionhearted, intrepid, bold, fearless, daring, audacious; unafraid, undaunted, dauntless, doughty, plucky, stout-hearted, mettlesome; gallant, chivalrous, noble; informal gutsy, spunky.
obelisks on a heroic scale : PRODIGIOUS, grand, enormous, huge, massive, titanic, colossal, monumental; epic; informal mega.