Puzzles within puzzles hide a golden treasure in this hedge maze.

The eccentricities of a former lord include painted pigeons of his manor house, a series of pointless plaques, and a folly built simply to peeve the public.

An ornate aviary built during the Victorian trend of collecting exotic birds.

Surreal riveted sea forts once protected the Kent shores from German attack.

No one is sure what to do with this WWII shipwreck that sits at the bottom of the Thames, still loaded with tons of explosives.

Christ's blood allegedly preserved in a Belgian town.

These precariously placed ruins harken back to a 13th-century castle.

The remains of a small medieval chapel mark the legendary birthplace of the patron saint of Wales.

Three bridges straddle a stream, one stacked upon the other.

Long before mobile phones or GPS were available, these sentry boxes provided help for motorists in need.

This mural honoring a drowned village has become a symbol of Welsh pride and patriotism.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

The seaside ruins of an ancient salt production facility.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

The last occupied troglodyte dwellings in England weren't abandoned until the 1960s.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

This petite cutlery factory sits on the foundations of a defunct gasworks.

6000-year-old site covered in more than 50 megaliths.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

Eyam took steps to quarantine themselves and keep the plague from spreading.

One of the U.K's earliest public water supplies is within the "plague village."

Seat of the Duke and Duchess of Devonshire for centuries.

This unique creation was used to house and wash sheep prior to shearing.

Want to properly offend a king? Sculpt a giant hill figure in chalk of him riding out of town.