It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

Several cannonballs of mysterious origins decorate two buildings in Stortoget's main square.

Stockholm's narrowest alley is barely over two feet wide.

A man has revenged his true love's betrayal through tears and stone genitalia.

This gem from the industrial age helps visitors and residents alike traverse hilly Stockholm.

Sweden's oldest animated sign is still lighting up the skyline today.

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

A monument dedicated to the unrecognized Black "mother" of modern medicine.

The Bristol Camera Obscura housed in an ancient windmill.

This pedestrian footbridge honors Pero Jones, an enslaved African who lived in Bristol.

An allegorical statue of a giant pregnant woman representing justice and truth.

An octagonal folly tower overlooking the sea.

The world's largest collection of witchcraft regalia.

A unique waterfall that some believe attracts the fairfolk.

These mysterious mazes carved on the rock may be up to 4,000 years old.

A fantastic castle rumored to be the birthplace of King Arthur.

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

Glimpse into the life cycle of the European lobster and the work being done to protect them.

These picturesque ruins crumble beautifully into the ocean.

Perhaps the only prehistoric monument with its very own public bus stop.

A circle stone within a stone circle.

A neolithic dolmen that was rebuilt after collapsing during the 19th century.

Legend says this ancient pagan site can cure all ailments.