Fort du Janus

A fresco in this magnificent palace is said to have been the first depiction of the Taj Mahal's design.

Henry VIII's forgotten castle was built by the gunpowder-obsessed king to be defended solely by cannons.

This 15th-century fortification was built to defend bunnies.

This fifth-century church is one of the oldest Christian sites in the Balkans.

The crumbling ruins of an old stone mansion sit atop a hill in the middle of Pune.

Dating back to the early 12th century, this is the first Augustinian priory established in England.

This impressive gate is the only remaining remnant of a Spanish naval station.

The eerie remains of one of Ireland's oldest castles, said to be haunted by the ghost of a woman who brings ill fate.