A moving memorial to the fallen and missing from WWI trenches.

A miniature city, once ruled by the Queen of the Netherlands.

Christ's blood preserved in a Belgian town.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

This ghost town in Belgium will lose its street art when it ceases to exist.

Incredible labyrinth of man made caves.

A battle between nature and architecture in the Cambodian jungle.

Walk through depictions of the torture inflicted on those who go to Buddhist hell.

Cities of the world and famous Thai monuments in minature.

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

On stormy days debris from this unfinished and abandoned skyscraper rains down on the Bangkok streets.

Super-heavy Nazi architectural experiment.

Metro station with a claim to rock n' roll fame.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.