If you wanted to really summarise the times we live in, what items would you put in a time capsule, only intended to be opened after many, many years? It’s a difficult question. To really define a time with just items alone can be tricky, but plenty have done it, and once opened, the stuff inside can be pretty mind-blowing. From age-old mysteries to futuristic constructions, let’s crack open the most exciting time capsules, including a few we were never supposed to see!