Erkko Aarti, a designer based in Helsinki, is responsible for "Lyhty," one of the coolest things to ever happen to tents. His idea mixes the general function of a lantern with that of simple shelter. It's appropriate for indoor or outdoor use...but primarily rules as an adult hideout. The geometric structure also makes "Lyhty" a mighty handsome sculptural addition to your home, meaning its got life when you're not making plans for grow-up fun.

[via Design Milk]