Where condemned pirates met their grisly end at the gallows on the River Thames.

This hydraulic power system in London was, at one time, seen as a rival to electricity and the last of its kind to shut down.

Tucked away in a London Tube station, this 1920s linear clock shows the time across the world all at once.

From mining complex to industrial exhibition, this museum once played a major part in the X-Files.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

The ground on which Shakespeare’s initial playhouse once stood.

Watch cheese-flipping robots in action at this factory and museum.

This peaceful open space below Geneva's famous cathedral is full of art and history.

A memorial to a 19th-century composer who was known for driving crowds wild.

A plain wooden seat that once belonged to one of the most prominent figures of the Protestant Reformation.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

One of the most historical literary characters continues to stroll his hometown.

A modest grave marks the final resting place of one of the world's most influential religious figures.

This famous writer's tombstone is a literary pilgrimage site that was publicly defiled by a rival.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

Grotto replete with mystical designs laid out in glued shell mosaics.

This forgotten chalk mine was reopened thanks to a massive effort from the local community.

Europe's "only museum dedicated to the decapod" is full of quirky and absurdist displays, including one featuring the "famous" Giant Crab of Margate.

Overlooking the seaside town of Margate stands a tribute to an artist's lover.

This tunnel entrance is built to resemble a grand castle but no one is quite sure why.

This hand-painted advertisement is a literal sign of encouragement, however unintentional.

This sprawling, Brutalist estate feels like a city within a city.

This 1920s Dutch barge is now a floating bookstore.

This macabre painting of a Shakespearean scene looks like something out of a nightmare.