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

An abstract representation of weather in Sweden.

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

This small museum nestled inside a souvenir shop is dedicated to Sweden's most well-known toy.

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

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

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

A mocking tribute to the past and modern leadership of Prague.

Dedicated to the man who saved hundreds of children from Nazi-occupied Czechoslovakia.

A historic and beautiful Art Nouveau chamber in a historic railway station.

These small, brass stones commemorate the first Roma victims of the Holocaust.

A tragic tale of a young woman accused of witchcraft haunts this place.

A peculiar samurai statue overlooks the center of Brno.

The silly symbol for an underground protest group is now scattered around the city.

In the center of Wrocław's old meat market stands a somber tribute to the city's livestock.

This ex-prison dates back to the Middle Ages.

A mysterious concrete hand reaches out from between the stones of Uniwersytecki bridge.

A haunting deserted hotel is a favorite with artists and photographers.

This fairytale inspired, warped building houses restaurants, shops, and a radio station.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

During the renovation of this bas-relief, the constructors added one unusual element.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

Museum dedicated to "the man who moved the Earth."

This stone in Lake Geneva was once the reference point used to determine altitude in Switzerland.