An IT-specialist-turned-farmer reintroduces an Austrian food tradition while promoting snails as a sustainable "future food" option.

An ornate private entrance to the Vienna subway built specifically for the emperor.

Legends surround an ancient tree trunk riddled with nails for good luck.

Op-art architecture designed for happiness.

The resting place for anonymous victims of the Danube's dark waters.

Stockholm's last remaining paternoster elevator.

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

A man has revenged his true love's betrayal through tears and stone genitalia.