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

The collection contains over 25,000 items and details the painful dental practices of the past.

A plaque marks the underground site of one of London's "lost rivers."

One of the oldest trees in Britain may have been witness to some of the country's formative moments.

Amazing collection of folly buildings in Cobham, Surrey.

Locals call it the "Give Peas a Chance" bridge because of its distinct graffiti.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

The Origin of On the Origin of Species.

No one knows who created the statues or if they are arranged properly—let alone the artwork's real name.

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

Carved initials which are nearly 500 years old preserve the deposed Queen's presence at Hampton Court Palace.

It is against the law to obstruct the view from the top of this English burial mound.

A gallery specifically dedicated to the botanical illustrations of a remarkable traveling lady.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

This home on a quiet suburban street is completely covered with vibrant mosaics.

London's marvelous wildfowl reserve along the Thames.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

This secluded walkway overlooks a magnificently wild London green space.

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

A monolithic monument in Greater London.

A relic from one of London's worst 19th-century slums.

The cedar tree in Highgate Cemetery earned its title by accident.

A little slice of Japan and its aesthetics in London's Holland Park.

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