A surreal museum of extraordinary industrial objects.

A slice of central Asia in the middle of Berlin.

Ruins of a German Castle on top of a towering stone pillar.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

A delightful but little-known public observatory and planetarium in Munich.

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

This classic restaurant features a gorgeous mirror-clad room.

A 1:42 scale model of the world's second largest lensed telescope.

Sweden's largest optical telescope sits on a rooftop in Stockholm.

It's always game time at Stockholm's only museum devoted solely to video games.

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

Frequent fliers welcome in this airplane hotel.

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

Early habitat dioramas and home of the elusive gaff, the skvader.

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.

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

The internet as provided by a James Bond villain.

This Stockholm light tower can be controlled by anyone with a smartphone.

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

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

The world's largest model of our planetary system.

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