A particularly disconcerting tribute to Irish martyrs.

Fantastic stainless steel dragon gates complete with mesh wings.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

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

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

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

This supermarket offers shoppers a window into the past alongside their groceries.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

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

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

A monument honoring 81 residents of this Scottish town who were executed for witchcraft in the 16th century.

An 18th-century religious argument etched into stone.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

Where a demonstration led to equal rights for one of California's most marginalized communities.

The raised stones in the middle of this road through Culross are relics of a 17th-century class divide.

A small Scottish town's larger-than-life tribute to the celebrated accordion player.

A watchhouse constructed from tombstones, to make way for a burial pit, for the victims succumbing to a deadly disease.

The enchanting archway is the only surviving portal into Dublin’s lost medieval wall.

A phantasmagoric tomb honors a Belgian artist-scientist's contributions to the world of spooky entertainment.

A public art project to commemorate a tumultuous period in Derby's history.

The historic building's ornate stained glass fixture has survived the devastating 1906 earthquake, ensuing fires, and multiple redevelopment attempts.

The longest staircase lock in Britain.

The ruins of a 15th-century church once home to priests who prayed for a single family's salvation.