Budapest was literally built on water there is a uniquely rich network of streams mineral and medicinal waters under the city which nourish the numerous thermal baths spas and swimming pools that budapest is justly famed for the danube which flows through the city like an artery is not only a beautiful sight but supplies budapest with one of the best and tastiest sources drinking waters in europe this 2 hour thematic walking tour is a great choice if you want to properly discover budapes