A replica of the home of a famous fictional troll family.

A cathedral resurrected from the ashes of one of Europe's greatest urban fires.

Pigduck of Turku.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

If you visit Santa's village, you can get your passport stamped to show you crossed into the Arctic Circle.

Breathtaking and huge 430 year old maps of Italy.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

This effigy of Peter the Great is greatly disproportionate.

One of the most photographed buildings in a city known for its Modernista architecture is an abandoned squat.

Auguste Maïcon, a pioneer in French aviation, was born in this house in 1891.

The Guardian of Tallinn.

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

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

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

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.

Sweden's "good old days" painstakingly re-created in a model village.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

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

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

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

An ancient knight and a symbol of the city's freedom.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.