Vibrant paintings stretch across 600 feet of derelict railway.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

The oldest house in Glasgow is now a museum dedicated to the city's medieval history.

Glasgow’s piece of the patron saint of love.

A scattered trail of street art adds a pop of color to the city's stark structures.

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

A small plaque highlights the damage caused by German air raids during World War II.

This hidden museum examines the complex history of the country's law enforcement.

It was once nicknamed "the most bombed hotel in Europe."

Step into Narnia at this small park featuring statues from "The Lion, the Witch, and the Wardrobe."

The last Victorian market in Belfast.

The statue honors a beloved bird that once roamed St. George's Market.

A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.

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

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

This colorful and fiery mural depicts the Irish folk story of the beloved hero Cuchulain.

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

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

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

Though they've since been renamed, these two streets hint at Dublin's darker days.

One of Ireland's most infamous prisons for rebels including men, women and children.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

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

Abandoned ship reimagined as a street art canvas.