It fires the imagination, and one's natural curiosity, to think about all the lost cities, technologies, knowledge, and civilizations that existed before the Flood.
One thing is certain though -- the popular, modern, evolutionist, mainstream archaeological/scientific viewpoint is most certainly false.
We didn't emerge from the jungles of Africa, living in caves as some kind of primitive, half-ape, half-man hybrids. Nor has mankind been on a constant trajectory upwards ever since.
On the contrary, those who study language will tell you that the more ancient the language, the more complex it is! That is to say, the older languages have more tenses, conjugations, etc.
Mankind has LITERALLY forgotten 10X as much than it claims to know today!