The cosmic ray observatory founded by Victor Franz Hess is still being maintained and operated by the University of Innsbruck: http://www.uibk.ac.at/astro/obse

The cosmic ray observatory founded by Victor Franz Hess is still being maintained and operated by the University of Innsbruck: http://www.uibk.ac.at/astro/observatory/hafelekar/index.html.en http://www.uibk.ac.at/astro/observatory/hafelekar/index.html... (I had the opportunity to visit it when Innsbruck was hosting the Austrian Physics Olympiad in 2000)