here is a list of the 10 heaviest structures ever moved — spoiler below —
https://science.howstuffworks.com/engineering/structural/10-heaviest-objects-mankind-moved.htm
if you don’t want to read it interestingly it was the titanic in 1911 until fairly recently when a heavier ocean oil rig platform was moved. a desalinization evaporator was the heaviest thing moved on land.
of course on the controversial side ancient astronaut theory would tell us the pyramids were moved around —
