A Stockholm metro station is home to an escalator that is not only the longest in Sweden, but among the longest in the world.

It houses the remains of a 17th-century version of the Titanic.

This charming pup is meant to celebrate the youth and stubbornness of the city's students.

A modern reimagining of a medieval city gate.

Inside this metro station is a section of the city's former medieval fortification.

A bridge that has seen many reiterations over its lifetime.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Norway has built what may be the world's most beautiful public toilet.

The world’s largest knitted mitten is displayed in one of Sweden’s smallest Arctic villages.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

It was meant to help transport wounded soldiers to a secret underground hospital.

A miniature model of the iconic Stockholm department store.