In UK, the number 1 "ghost hunting" programme is Most Haunted, with Yvette Fielding. I think it is broadcasted on some European channels too [its on LIVING TV here] but anyway, they're doing a live show from 8pm - 12am in a HUGE abandoned phychiatric Hospital in North Wales.
You can check out live webcam footage on their WEBSITE
You can check out live webcam footage on their WEBSITE