The only example of a Paris Métro sign in use at a subway station outside of the French capital. 

A swaggering, monumental souvenir of the most extravagant party Montreal’s ever thrown.

A guitar mounted on a wall in Temple Bar honors the Irish musician.

At the center of London’s oldest roundabout stands an obelisk that was erected in 1771, but spent several decades elsewhere.

The first woman to become a member of the parliament of Iceland.

A monument dedicated to the civil uprisings that took place during the Pots and Pans Revolution.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

An abstract representation of weather in Sweden.

Frequent fliers welcome in this airplane hotel.

An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

Enormous ants wielding giant pine needles guard a Stockholm real estate company's office.

The library's graceful rotunda is like a bibliophile's temple.

When this 18th-century observatory's meridian was moved, it set Sweden's time back by 0.04 seconds.

One of the world's oldest continuously operating meteorological stations sits on a hill in Stockholm.

The apartment where Pippi Longstocking came to life.

Stockholm's deepest subway station is also a stunning ecological wonder.

A miniature statue of a beloved character from children's literature.

There are hidden patterns on the subway seats of some Stockholm metro cars.

Small Easter eggs are hidden in the ventilation holes of the city's newest trains.

Tucked away in a downtown Stockholm park are the remains of a World War II defense position.

A steel paper plane is all that remains of a crashed aircraft that caused an amazingly small amount of damage.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

The 19th-century home of Count and Countess von Hallwyl is now a museum.