Based on our highly scientific calculations, the American Museum of Natural History is by far the most fun museum to wander through while in an altered state. Why? Just look at these amazing pictures! Space! Nature! Whoa! With the announcement of the Hayden Planetarium's new $2 million projector upgrade, which means even more bogglingly awesome space snaps, and the June 25 launch of the new Picturing Science exhibit showcasing the incredible advanced imaging technologies used by scientists, there's never been a better time to have your mind completely blown.