This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

Remnants of a Victorian garden feature sitting in public woodland.

One of the largest sculpture collections in the U.K. features history's greats, from Bob Dylan to Galileo, in bronze.

Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

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

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

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

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

One family's environment-friendly hobbit-house in Wales.

The final resting place to 300 Victorian-era pets hides inside the city park.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

An abandoned tank sits in an empty London lot as a symbolic middle finger to local city planners.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Catacombs turned marketplace.

An unusual round church in London with a Templar past.

The largest of London's subterranean rivers and once a mad, bad center of London life.

This South London cemetery holds the remains of more than 15,000 people.

Dictionary Johnson’s favorite feline.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

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

Hear the quietest sound from across the dome.

Public access to clean drinking water was an instant hit among the masses.