Eerie indeed. It bothers her a lot more than she lets on that this place seemingly has the power to get inside her head when not even Darth Vader and his interrogation droid were able to. It meant that whoever was really pulling the strings around here was a lot more powerful than her father — perhaps even more so than the Emperor. And that terrified her.
"I've been imprisoned before," Leia offers up with a shrug, as if being arrested and tossed into cells is no big deal. "But the accommodations here are considerably better. On most days, anyway."