The great Danube river starts here.

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

The world's oldest rose is so tough it survived being bombed in World War II.

A former ironworks that was the first UNESCO industrial site.

Reminders of the Battle of Berlin still scar the railway.

A 12th-century fortress containing some of Berlin's oldest buildings.

Home to 10,000 medical specimens including the remains of Rudolf Virchow's extensive collection of pathological specimens.