The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

A stone copper was sculpted on the wall of the Carlisle Cathedral to honor a local hero.

80 years of the Battle of Peasholm on a small English lake.

A succinct inscription commemorates the ebb and flow of a woman's life.

A beautiful medieval bridge allegedly constructed by the Devil.

A 12-foot-tall metal fisherman looks out over the promenade.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

Believed to be the remains of the lost Temple of Minerva, this nymphaeum has been known by its misnomer to this day.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

This equestrian statue of Constantine the Great has been the subject of criticism for centuries.

The Pope’s secret escape route.

This one-time health resort was used by aristocrats around the world.

This Italian-style temple replica has been threatening to fall off the Irish coast for hundreds of years.

This tiny train shuttles passengers to one of Northern Ireland's most spectacular sights.

Northern Ireland's Brobdingnagian stepping stones.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

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.

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

A rare wooden coffin set vertically into the Gothic arch of an ruined church.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

The western face was supposedly left clock-less to snub the Welsh.