You'll find evidence regarding ancient Greek culture in libraries and museums.
The modern world has more gadgets and -- in some places -- more wealth; but the shining star excellence of Aristotle's thinking has only recently (in the past century) been surpassed.
That achievement belongs to a much maligned (but now deceased) modern philosopher that is slowly gaining respect thanks to the written (and extensive) philosophic legacy she has endowed to mankind.
And in the words you speak, the mathematics you use, the philosophy you think, the plays, novels and TV shows you enjoy, the laws that protect you...