Everybody knows that secrets and intrigue are the building blocks of any great mystery, but what about when the building blocks themselves are the real mystery at hand? From secret chambers inside famous monuments to an ancient mega-pyramid that no one can find, grab your chisels as we chip away at some of the most curious architectural mysteries that have baffled even the smartest historians.

What’s the most powerful weapon you can think of? Probably some sort of big ol’ gun or bomb, right? But what about weapons that existed hundreds, if not thousands of years ago? What reigned supreme then? Was it truck-sized trebuchets? Ancient flamethrowers? Or what about a giant iron hand capable of capsizing entire ships? Well, put on your helmets, your body armor, and your water wings if that big hand is anything to go by, because we’re about to explore the most incredible ancient weapons to have ever existed!

Our prehistoric planet was a terrifying place, thanks - predominantly - to the rampaging reptiles that once ruled here: dinosaurs! These monstrous creatures dominated the land for some 160 million years! But they weren’t alone. There were other beasts from back then, and a little while after, that could have given even the biggest dinosaurs a run for their money. From massive monstrosities lurking beneath the waves, to huge human-like goliaths that haunted the forests… here are even more animals that were way, way scarier than the dinosaurs.