From Iggy Pop to David Bowie to Nick Cave, this regal music studio has served some of the all time greats.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

A monument to the man who almost killed Hitler.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

This fortified L-shaped tower is the ancient seat of clan Hannay.

In the foothills of the lesser Caucasus, a centuries-old fortress still stands.

This 16th-century tower house has a little hidden secret and a connection to an Apollo astronaut.

A heritage structure designed in 1882 honors a Parsi philanthropist.