Ikea
It's a magical wonderland of home furnishings and Swedish meatballs. Making a trip there is a whole day's excursion, making your way through the three main sections of the store that seems more like a city than a building. First, you make your way through the showroom where every piece of furniture is on display as you might set it up in your own home. Then, you shop the marketplace where you'll find dinnerware and curtains and the like. And then, finally, you're left to your own devices when you get to the final stage: the self-service furniture warehouse. It's a workout of a day and you'll most likely be exhausted for a few days following the trip.
As you can imagine, with so much space, there are so many opportunities for odd, inappropriate, sometimes even dangerous shenanigans. Here's a list of things to do in Ikea that are frowned up on and may get you kicked out of the store: