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

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

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

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

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

This hidden green space is the city's second largest conservatory.

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

Hear the quietest sound from across the dome.

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

A hands-off space for graffiti artists to hone and display their skills.

The curios of pharmacist and collector Henry Wellcome.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Eighty million natural history specimens call this gargantuan museum home.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

Winding paths and ramshackle mausoleums in the oldest "park cemetery" in London.

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

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Medicinal spa created with the discharge from a geothermal energy plant.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.