A slice of central Asia in the middle of Berlin.

This medieval church in Rome was almost destroyed following a terrorist attack in 1993.

An 18th-century post box used to alert the church of sick and ailing foreign pilgrims.

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

A fortified medieval basilica on the Caelian Hill preserves extraordinary frescoes and one of Rome's most beautiful hidden cloisters.

A wunderkammer of curious objects and intriguing art nestled within a hub of ancient Roman sites.

One of the most important yet well-hidden museums dedicated to the history of medicine.

This statue and park honor the Swedish chemist Jacob Berzelius, one of the founders of modern chemistry.

The Swedish flag over this small naval fort signals that the nation is at peace.

An 11th-century runestone decorates the halls of Terminal 2 of this Scandinavian travel hub.