Stroll through retro Paris while shopping for old postcards and discarded doll heads.

This Parisian café sticks almost exclusively to an ethos of reuse.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

A rare chance to ride one of the few continuous elevators still in operation.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

The great Danube river starts here.