Seat of the Duke and Duchess of Devonshire for centuries.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

This one has sailed five times as far as Sir Francis Drake's famous ship.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

The remains of the great moral philosopher reside in a university in London.

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

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

Largest lake in Great Britain measured by surface area.

A historic arboretum and non-conformist, non-denominational park cemetery.

Giant, friendly pelicans in Central London, the most unlikely of places.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

The heads of two giant mythological water horses honor Scotland's horselord past.

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 student driver's nightmare.

Famously misunderstood wonder of the ancient world

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

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

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

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

Eighty million natural history specimens call this gargantuan museum home.

In this cobwebbed old operating theater, you can practically hear the screams of the unanesthetized patients.

One part local history, 99 parts gruesome haunted house.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.