From the lake beloved by George Clooney to the place where Mary Shelley conceived Frankenstein , this list shows that heading inland on a European vacation pays dividends Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice Europe is famous for its mesmerizing beaches. But