They're in the books we read, the shows we watch, and the art we hang on our walls. They conjure notions of might, magic, romance, and more. Castles, perhaps as much as any other architectural structure in history, define the landscape of our fantasy and imagination.

But is our imagination an accurate lens through which to view these fortresses of ol'? And why, after hundreds of years, does our culture's fascination with these structures seem to be on the rise? This hour, we speak with experts and enthusiasts about the reality and mystique of castles.

This show is the sixth part of a new experiment: Radio for the Deaf. Watch a simulcast of signers from Source Interpreting interpreting our radio broadcast in American Sign Language via Facebook Live.