While I was in Japan I was able to visit one of the leading science museums in Tokyo -- the Miraikan. I recognized a few of the exhibits as things I'd seen described in blogs over the years -- like the robotic floor tiles that move with you riding them so that as you step you really stay in place. The photo below shows a rather interesting simulation of internet routing.
I was also surprised that a couple of the folks I'd known in graduate school are now part of the exhibit ;-) as shown below.
Here's where the museum is located:View Larger Map