Kaihou Souko: The Massive Japanese Secondhand Warehouse

All right you manga nerds, listen up. Game nerds – You’re gonna wanna hear this, too. Actually, anime nerds, figure collecting nerds, music nerds, every kind of nerd, you should probably pay attention. Okay, how about this. If you’re a nerd in any way, you’ll want to visit this place.

Source: http://www.tofugu.com/travel/kaihou-souko-otaku-store-in-japan/