Originally built to monitor fishing, this Victorian tower now educates visitors about the local salmon industry.

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

After it was swallowed by a Georgian mansion, this medieval castle remained forgotten for centuries.

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

This 14th century tower house was once the home of Irish poet W.B. Yeats.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

A wunderkammer of mysterious objects and stories.

A collection of abandoned typographic signs from Berlin and beyond.

Housed in an old church, this hunting museum holds a collection of mythical bird-rabbit creatures.

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."

This pub built its reputation pouring post-shift pints for employees of the cemetery with which it shares a wall.

The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.

Catholics make up 84% of Ireland's population but this Dublin museum remembers the small but important Jewish community.

A standing relief of a Norman knight whose posture marks him as a Crusader.

A steam trawler with a whiskey-soaked history driven ashore in 1960 resides rusty but still standing on the shoreline.

These imposing walls and towers look more like the ruins of a fortress than a monastery.

Certain traditions prevail on the least-visited island of the Aran Islands.

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

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

A rocky Irish outcropping with a history of wealth, conflict, and ruin.

At this cozy bar tucked down a hidden Galway backroad, Guinness makes the Gaelic come out.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.