This demon atop the Notre-Dame de Paris looks utterly bored.

This emotive sculpture was originally created for the 1878 World's Fair.

Indents in the pavement are all that remain from a grisly death machine in Paris.

This antique thermometer honors the creator of the first universal temperature scale.

A floundering Polish shipyard was once the soul of the Solidarity movement that capsized communism.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

This 700-year-old structure is one of the most unique architectural and historic monuments in Gdańsk.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

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

A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

Follow the original medieval paths that wind through this intriguing section of the city.

This Gothic Revival castle used as a shooting location for "The Secret Garden" and other films.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

This luxury shopping lane has been protected by its own tiny police force for over a century.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

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.

Museum about life, death, and cannibalism in the Stone Age.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

An artistic tribute to the famous singer, just around the corner from where he was born.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.