A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

A monument to the man who almost killed Hitler.

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

This uniquely shaped rock formation is one of Scotland's most iconic mountains and gives spectacular views in all directions.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

Berlin's old airport.

A peat bog in southern Sweden provides a cozy and photogenic home for junked Volvos, Saabs, and the occasional American muscle car.

A museum specifically dedicated to the Trabant, one of the iconic automobiles of the GDR.

A World War II torpedo launch station abandoned off the Polish coast.

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