These planks were originally installed to hold the dead.

The remains of centuries of copper mining appear like an alien landscape.

This neolithic stone grave has been altered and restored so often its now more neo than lithic.

A miniature train-ride through Slovenia's largest cave system.

Legends say this red sandstone monolith and the dozens of smaller boulders that surround it were once a coven of witches—before a Scottish wizard turned them all to stone.

A series of idealized caves carved to entertain guests.

This magnificent arch is all that remains of a former smelt mill.

These remarkable cascades are the jewels of Upper Tees.

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

A winding medieval path was used by mourners to carry their dead to the nearest church.

At 1,732 feet above sea level, this spectacularly isolated yet surprisingly bustling bar is the highest pub in Britain.

The train that took the prime minister on his final journey now rests in a British museum.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

This bridge once allowed Dere Street to cross the River Tees.

The remains of a grand castle that may have inspired Bram Stoker's Dracula.

This brilliant display of whirling fireballs celebrates Hogmanay.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

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

Astonishing rock formations dot the Brimham Moor landscape.

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

This collection of ancient structures makes up part of the largest group of prehistoric earthworks in Britain.

At 22 feet tall, these Bronze Age monoliths are some of the tallest standing stones in the United Kingdom.

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

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