This impressive former palace contains a hidden gem for fans of modern sculpture.

An accidental trick of light casts the perfect shadow of a pilgrim of the Camino de Santiago against the cathedral wall.

This enormous censer uses a pulley system installed over 400 years ago.

Thanks to an acoustic anomaly, this unassuming stone bench has heard one hundred years of secrets.

A historic Christian shrine nestled within a spectacular natural cave.

A curious collection of locks and keys.

This Ottoman-era church is hidden amid a busy tourist area.

The ruined doorway is a portal to the building's turbulent and torturous past.

A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.