The largest stone circle in the world has ended up bringing up more questions than it has answered.

It's possible to walk inside one of the largest Neolithic tombs in Britain.

The longest hedge maze in the world.

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

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

The dramatic remains of an abandoned farmhouse sit high on the edge of a remote hillside.

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

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

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

A beautiful medieval bridge allegedly constructed by the Devil.

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

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

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

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

Famously misunderstood wonder of the ancient world

Under a church hides a forgotten 13th-century ossuary containing the remains of around 2,500 people.

A historic house devoted to the teachings of a 1700's prophetess and her mysterious box of revelations.

The intended purpose of this unfinished Elizabethan building remains a mystery.

The "Bridge Over the Atlantic" lets you cross the waterway in mere seconds.

A succession of eerily contemplative iron figures lead from a Scottish museum to the sea.

Where the sleeping monsters of Scotland's oil industry are left to rust.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

This modern labyrinth lies in the shadow of a ruined medieval castle.