After the construction of a nearby cathedral obstructed the view, the oldest belfry in Belgium was more than doubled in height.

One of Belgium's oldest hospitals saw patients from the 13th to 20th centuries before becoming a museum.

The groundbreaking Japanese shrine maiden who invented the art of kabuki.

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

The immortal Hollywood star rests in peace in an unassuming Swiss village cemetery.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

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

A measuring mishap led to these artificial stone ladies losing their stomachs.

This 1920s Dutch barge is now a floating bookstore.

This sculpture encompasses the emotion of rail travel.

A tribute to all the green-thumbed workers who tend London’s public parks and gardens.

A tongue-in-cheek arcade where the games are based on everyday life.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

An unassuming London park is actually a pilgrimage site for modern clowns.

Venice's "Island of the Mad."

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

The only surviving piece of Copenhagen's 16th-century defensive wall.

Visitors are treated to a stained glass kaleidoscope interior inside this work of art.

The final resting place of the author who gave us the Little Mermaid, the Ugly Duckling, and many more beloved fairy tales.

The final resting place of one of the brightest physicists of the 20th century.

Created by one of England's most prolific labyrinth designers, inspired by Bath city history.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

Saintly bones pressed into a wax effigy of a Catholic superstar.