Unique Locations: Collection 06

From publisher blurb: Whether encountered on a quest, or simply found while traveling from here to there, feel free to add these unique locations to your next gaming session. Some are magical, most are mysterious, some are less-than-interesting. Locations include: The party has been sent to guard a cell, but it's empty Two days ride from the nearest town is a sanctuary, with hooded residents Built within a mountain is a stone fortress. Who built it and why? Work is being done to rebuild an old castle, but the workers have disappeared