This silent sentry in the crypt below a large Gothic cathedral is often knee-deep in water.

Now nearly dry, this lake is said to be the ancient home of the Lady of the Lake, and was once thought to be bottomless.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

Europe's largest prehistoric mound – burial site of a legendary king?

This tiny little pool is said to be home to a malicious mermaid named Jenny Greenteeth.

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

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

Claiming to be the oldest hat store in the world, this historic haberdashery had a hand (and a head) in the creation of the Bowler.

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.

England's most notorious suicide spot.

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

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

400-year-old garden, restored to beauty.

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

The remains of Crystal Palace Great Exhibition of 1851.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

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

A student driver's nightmare.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

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

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

The world's largest collection of witchcraft regalia.