This ruined medieval castle was the scene of Lord Robert Dudley’s seductive reception for Queen Elizabeth I.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

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

Under a church hides a forgotten 13th-century ossuary containing the remains of around 2,500 people.

An intriguing three-sided folly is a testament to one man's devotion to Catholicism and the number three.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

The first archaeological site discovered by aerial photography.

A century-old tradition has culminated in a small but singular collection of feline effigies.

An small and easily overlooked archaeology museum chock full of Egyptian artifacts.

London's largest outsider art museum.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

A naturally mummified 2,000-year-old man.

Eighty million natural history specimens call this gargantuan museum home.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Catacombs turned marketplace.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

A cluttered and astounding collection of antiquities and curiosities.

Hear the quietest sound from across the dome.

The curios of pharmacist and collector Henry Wellcome.

The anatomical-pathological collection of a man who changed surgery.

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

The largest stone circle in the world has ended up bringing up more questions than it has answered.