National Museum of Ireland, Dublin

The National Museum of Ireland, once Collins Barracks, is home to a multitude of paranormal entities. Several ghostly soldiers have been spotted roaming the grounds, including a black shadowy figure and a soldier in nineteenth century uniform. It's said that truck drivers have caught glimpses of figures in Napoleonic era uniforms burying the dead in nearby Croppy Park. Meanwhile, tourists have watched in awe as soldiers in First World War uniforms seemingly re-enact battles, only to realise they're witnessing something far more inexplicable.

Shelbourne Hotel, Dublin

The Shelbourne Hotel in Dublin has a long history of paranormal activity, but one ghostly presence stands out - that of a young girl named Mary Masters. Medium Sybil Leek claimed to have met Mary in Room 526, where the youngster was searching for someone named Sophie. It's said that guests who have stayed in this room have fled in terror, but what's behind Mary's restless spirit? Is she a former guest who met a tragic end, or a lost soul searching for a loved one?

St Stephen's Green, Dublin

St Stephen's Green is a hub of paranormal activity, and one of its most intriguing ghost stories revolves around Buck Whaley, a man doomed to pace the streets for eternity. His restless spirit is said to follow the route he frequently took while alive, which leads from the Green to Cuffe Street. Locals claim that Whaley's shade can be seen walking along this well-trodden path, a haunting reminder of his former life.

Olympia Theatre, Dublin

Olympia Theatre in Dublin has a reputation for being one of the most haunted theatres in Ireland. Strange occurrences have been reported here for years, with doors and windows rattling violently and unexplained footsteps echoing through the corridors. But it's not just the odd creak or groan that's been noted - one dressing room was virtually destroyed by an unknown presence, leaving witnesses shaken. While the exact date of these events is unknown, they have become an integral part of the theatre's paranormal folklore.

Iveagh House, Dublin

Iveagh House stands proudly on St Stephen's Green, its grandeur a testament to Dublin's rich history. But on one special day each year, something strange and wondrous occurs. Every Holy Thursday, also known as Maundy Thursday, a cross manifests on a windowpane facing the square. It's said that crowds would gather, hoping to catch a glimpse of this unearthly crucifix. The phenomenon is as elusive as it is intriguing, leaving many to wonder about its origins and significance.

Jervis shopping centre, Dublin

Jervis Shopping Centre in Dublin is usually bustling with shoppers, but on one ordinary day in November 2011, something strange caught the attention of CCTV cameras. Footage, later released on YouTube, shows an apple rolling backwards and forwards on the floor of a fruit stall, as if being pushed by two invisible people. The bizarre incident has left many wondering if there's more to this everyday shopping centre than meets the eye.