There is estrimated more than 750 (public and privat) hospitals active In Poland. In spite that there is legal regulation concerning hospital projects, realization and equipment – permanent financial problems concerning a public health service, results in standards of hospitals, much worse then represented in hospitals in highly developed countries. A long – term practice of authors, concerning both, design and implementation of hospitals, let them to formulate a set of remarks about disfunction, influalcing growth of a danger, risks and mistakes in medical practice, also unexpected accidents.
Parks and gardens of psychiatric hospitals in the late 19th and early 20th centuries are a particular example of garden design art and testify to the role of designed landscape in therapy. Along with the evolution of psychiatry within the last 100 years, institutions for neurotic and mental patients have evolved too. Besides being adapted for contemporary purposes, hospital gardens have also become sites of commemoration of the victims of Nazi euthanasia of psychiatric patients, perpetrated during the Second World War. This article describes selected Aktion T4 memorials in their park and garden landscape context.