The ornate structure is part of a building boasting more marble than the Vatican.

Hidden on a cobblestone street in Glasgow, a Czech Cajovna-inspired teahouse serves as a hangout for Bohemians.

Inside this art museum resides one of Glasgow's most famous musical instruments.

A mysterious ruin shrouded in more folklore than fact.

The world's oldest surviving music hall was also once a freakshow.

Early Medieval stones sit on display at the beautiful Govan Old Church in Glasgow.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

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.

Some of the saint's blood and bones are said to reside in Dublin.

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

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

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

The modern birthplace of Irish freedom.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

A secret door leads to this cozy dive that sells only “milk.”

This museum explores the history of the city's public transportation. Its collection includes the world's oldest preserved electric trolley car.

Mexican food and folk art.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.