Embark on a relaxing 7 night journey of german river and city discovery aboard black watch cruising to picturesque destinations via two of fred olsens guests favourite scenic waterways docking overnight in hamburg allows you time to discover attractions galore at your leisure by day and by night explore the historic heart of germanys second city to see spectacular structures such as the steeple of the gothic style st nikolai church and the imposing chilehaus then head to the trendy