The skeletal frame of a decommissioned gas-pumping station offers breathtaking views of greater Berlin.

Cold war icon and onetime "hole" in the iron curtain.

Berlin's old airport.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

Super-heavy Nazi architectural experiment.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

The most visited, and possibly most controversial, museum in Germany.

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

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.

Several cannonballs of mysterious origins decorate two buildings in Stortoget's main square.

Stockholm's tiniest statue is of a small boy looking at the Moon.

Hans Christian Andersen for the postmodern world.

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

These waste baskets play a few risque messages to discourage littering.

This millstone commemorates a gruesome tale that may have been the source of the city's name.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

This chimerical bridge/tunnel appears to dead end right into the sea.

Swedish skyscraper with a 90° twist.