An incredibly well-preserved piece of ninth-century Viking poop.

A writer's tiny retreat built from salvaged shipwreck timbers.

This stretch of the River Severn where large waves flow against the current is the birthplace of river surfing.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

It's believed King John of England stayed at this 13th-century castle before riding off to sign the Magna Carta.

The remains of the wrecked steam trawler can be found on the beach at low tide.

These mysterious mazes carved on the rock may be up to 4,000 years old.

Inspired by a dream, a hermit carved out a home in this sandstone bank to live a life of contemplation and prayer.

Isaac Newton's former home, where the famous apple tree still stands.

A 600-year-old mini shrine guarded by a sword-wielding knight hides in a crumbling cliff face.

Perhaps the only prehistoric monument with its very own public bus stop.

The Origin of On the Origin of Species.

This ruined 15th-century hermitage is steeped in myth and mystery.

One of the oldest trees in Britain may have been witness to some of the country's formative moments.

England’s ancient oak tree has such an impressive girth, people have been hosting parties within the hollow trunk for centuries.

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

Picturesque ruins once held off mighty armies.

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

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

The healing properties of this well attracted royals and commoners throughout the Middle Ages.

The largest known medieval map of the world.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

A historic cave in Scotland once served as a hiding place for a famous Covenanter.