The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

Copenhagen's celebrated theme park and gardens.

This abandoned mining village was predicted to resist decay longer than any other modern human settlement.

In the northernmost city in the world, it's illegal to be buried because it’s too cold for bodies to decompose.

The world's northernmost brewery uses water from a 2,000-year-old glacier to create its beer.

Cold storage for agricultural biodiversity.

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

Astonishing rock formations dot the Brimham Moor landscape.

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

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

A group of glacial erratic boulders are improbably balanced on white limestone pedestals.

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

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

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

The remains of an ancient bathhouse sit inside this aptly-named pub.

Semaphore saints, a golden dragon's head, and a stone carved with religious warnings all call this cathedral home.

A Reformation-era fiery figurehead once denoted this location as a print shop.

When the plague struck York, this stone was used to leave supplies for the sick.

This medieval church is not only notable for its architecture, but also its connection with LGBTQ+ history.

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

The little-known second castle that William the Conqueror built in York.

One of the shortest streets in York has an especially odd name.

Makers and sellers of the original and finest York Ghosts.