Was my Grandfather older than Stonehenge? His-Story Dominates

When one takes time to apply logic and common sense to historical accounts, it all falls apart very quickly. What is the true history of this world and what is being covered up with improvable nonsense? Is it possible there was a time when humans lived much better and longer than we do today? Is it possible they had abilities we only dream of now? It can be shown that society has taken a nose dive since the late 1800s, so let’s jump in and pull apart historical nonsense. By the way how did they move those 300 ton stones? By the, by the way, are there continents we know nothing about?
Source: Crrow777