Radio Kaikan is the building that the time machine crashed into in Steins;Gate.

Akihabara Radio Kaikan, or RadiKan, is a building in Akihabara that plays a crucial role in the Steins;Gate series. It's where Okabe and Mayuri first meet Kurisu at a conference, and later becomes the site of some intense time-travel shenanigans. From satellite crashes to rooftop landings, this place is like a hub for all the mind-bending events in the story. So, if you're ever in Akihabara, keep an eye out for this iconic spot!