A mysterious plaque to the even more mysterious "Fr. Pat Noise," killed in "suspicious circumstances."

A devastating booze inferno poured through the streets, claiming several victims who drank it.

Oliver Cromwell once seized the land under this house, which included the ruins of a medieval abbey that the owner used to build his stately home.

The remains of this deep, dark mine have left behind a haunting rocky warren of tunnels.

An outstanding and haunting glimpse of the horrors of the Great Famine of Ireland.

This Irish museum in a historic 19th century market pays tribute to the glory of butter.

After being destroyed by IRA sympathizers, the ruins of this stately Irish manor have sat vacant for decades.

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

Once the longest bridge in Ireland, this rusting span sits abandoned and overrun by nature.