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

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

The modern birthplace of Irish freedom.

One of the oldest Augustinian houses, this church is reminiscent of the rich history of England.

The remains of the concrete ship can be seen during low tide.

The church and nearby castle are all that remains of a medieval village, mysteriously abandoned.

The ghosts of Britain's telecommunication past sit rusting away in a small village in England.

A small waterfall tucked away in the forest of Harmby Gill.

A modern English garden of eccentric beasts, follies, and oddities.

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

A steep and winding road in the Yorkshire Dales passes by these deep natural potholes.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

Astonishing rock formations dot the Brimham Moor landscape.

A dramatic sculpture high up in Yorkshire with vistas on an industrial scale.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

This amazing trail among the many waterfalls around Ingleton has been enchanting visitors since 1885.

A spectacular disused railway viaduct in a beautiful countryside nature reserve.

A beautiful medieval bridge allegedly constructed by the Devil.

These legendary stone steps were once used to haul coffins up the rockface.

This original castle in Kendal is 1,000 years old.

The highest peak in all of England is plagued by dangerously fickle climate shifts.