The Victorians called this type of landscaping a "folly". They would install faux Greek and Roman ruins to add mystery to their extensive landscapes. (Also the smallest natural pond in the world?
Ed Leedskalnin. Apparently this dude figured out how to use the Earth's "magnetic current" to move blocks of stone weighing many tons! The same methods that the Egyptians and ancient builders in Peru, Yucatan, and Asia used.