The shop where the girl who inspired the beloved character once bought sweets is now a book-themed commercial curiosity.

A network of concealed passageways lies within a busy London Underground station.

A subterranean playground in an abandoned slate mine.

A plaque claims this artwork outside a children's hospital was used in the 1998 Quidditch World Cup.

Banksy's image of a naked man dangling from the window of a sex health clinic.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

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

This magnificently macabre shield shows the power of chivalrous love in medieval times.

The remains of a historic football stadium that once hosted 50,000 spectators.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

The commemorative stone column conceals a secret laboratory.

Banksy gives themself artistic license with this piece of London street art.

The wooden grave marker of a railroad worker who died in a freak whirlwind.

These planks were originally installed to hold the dead.

Famously misunderstood wonder of the ancient world

A sacred Ojibwe site covered in pictographs next to Lake Superior.

This giant roadside fruit is home to an array of apple-based treats.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

A tiny church on a man-made island in the Adriatic.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.