In Pictures: Spooky castles and skeleton crews mark Halloween
Skeletons, pirates and a marquee of monsters await those in search of sweets.
Homeowners have been embracing the spooky season throughout the day by transforming their cosy homes into haunted mansions for Halloween.
Trick-or-treaters in search of sweets face braving spooky gardens across the UK and Ireland if they dare.
And beware, things can get even creepier for those invited indoors.
At the home of Dracula, visitors to Whitby Abbey were treated to an illumination display and a production of If These Stones Could Talk.
The eeriness ramped up several notches as night fell and darkness swept across the land.