These murals stand as reminders to the troubled history of this Northern Ireland city.

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

The house where the writer spent his formative years.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

Steadily reminding Czechia of its past.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

This automated sculpture of two men peeing will spell out text messages with their micturition.

A series of playful yellow penguins share a serious message about the environment.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

What looks like a suicide in progress is actually a statue of Sigmund Freud.

The first museum in the world devoted to sexual gadgetry.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

A museum marks and documents the site of the Titanic's launch.

These engineering masterpieces are a dominant feature of the Belfast skyline.

A solemn memorial in a majestic setting that honors a 1692 tragedy.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

A close look reveals that the Scottish monument is just slightly off-kilter.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

From here, the loch appears to take the shape of mainland Scotland.