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

The ruins of a medieval seminary some say is the oldest university site in Scotland.

An enigmatic natural rock formation with a manmade passage cut through the center.

A six-ton wedding present for the King of the Scots.

This ancient church, rebuilt at least 3 times, is flanked at all sides by history.

A wildlife paradise, this island is one of the world’s most important habitats for burrow nesting seabirds.

This ancient bridge made of stone slabs is said to be reserved for the devil to sunbathe.

A sturdy relic of Britain's once crucial gunpowder industry is now a haunting Cornish ruin.

The ornate structure is part of a building boasting more marble than the Vatican.

Rare collection of medieval books under lock and key.

Where condemned pirates met their grisly end at the gallows on the River Thames.

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

This strange moor has a song written about it, Bronze Age carvings, and an alien sighting.

Europe's largest prehistoric mound – burial site of a legendary king?

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

This early version of the guillotine was used to execute the man responsible for its construction.

A mysterious bridge over a sunken Roman road.

A remarkable medieval structure born from a 14th-century disaster.

The view from this giant Stone Age toad is unexpectedly beautiful.

Grotto replete with mystical designs laid out in glued shell mosaics.

A circle stone within a stone circle.

One of England's most famous churches hides a pair of little known architectural treasures.

Now nearly dry, this lake is said to be the ancient home of the Lady of the Lake, and was once thought to be bottomless.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.