Easter Island Stones actually have bodies unearthed in excavation. I thought it was a joke, but went to snopes and it's true. The mystery of how they got here and who made them still exists. Definitely want to visit Easter Island.
We enjoy quite a few unprecedented technologies today, but much more of the stuff that we use has been around for ages. Ancient humans may not have been able to text or upload selfies, but they enjoyed everyday objects like flushable toilets, chewing gum and nice purses just like we do.