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.

Said to be haunted, this tower was constructed by a sugar importer as a gift to his wife.

An oft-overlooked, magically musical monolith that stands majestically between Arlington Cemetery and the Iwo Jima Memorial.

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.