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

Asthmatic Charles Hyett's son built a fantastical garden for his father to convalesce in, alas it was too late.

The only medieval bridge in Britain with its defensive tower still in tact.

A 200-year-old prison that now houses a peculiar crime museum.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

On this wooded path, a stained-glass window creates a spellbinding forest cathedral.

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

This massive chalk hill carving is one of England's most beloved giant horse geoglyphs.

Abandoned boats decaying in the largest ship graveyard in mainland Britain.

Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

You can crawl inside this atmospheric 5,000-year-old tomb.

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

It's a mystery as to why this inland village chose the dolphin as its symbol.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

This crumbling headstone commemorates the first death by tiger in Britain's history.

The "father of immunology" used this humble hut to offer the local people some of the world's first free vaccinations.

The world's largest museum devoted solely to the whirlybird comes complete with its own chopper graveyard.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

Below a historic English market town lies a secret underground city complete with kitchens, laundries, storerooms, and an underground lake.

Gothic tower mentioned in Thomas Hardy poem "The Channel Firing."

A quaint hamlet of nine cottages around a small green near Blaise castle.

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

The designer of this railway tunnel added a birthday present for himself.