Bochum: Mining Museum.
Bottrop: Ascent the Tetraeder situated on rock-dump Prosper/Haniel. Thge dump has a hight of 90 Meters, the Tetraeder is 60 Meter high. The view from top onto the Ruhr is nonrecurring - but select a day with fine weather.
Dortmund: DASA
Duisburg: Harbour Trip
Essen: World Heritage Site Zeche Zollverein.
Hagen: open air museum
Waltrop: Ship Lift Henrichenburg
Witten: Mutten-valley
Bochum: Eisenbahnmuseum Railway Museum - one of the biggest of its kind
Dortmund: Zeche Zollern Mine Zollern - a mine with the sharpe of a palace
Duisburg Inner Harbour - from industrial plant to an fascinating residential and leisure quarter
Duisburg: Binnenschifffahrtsmuseum Inland Waterway Museum - all about inland water transport
Duisburg: Landschaftspark Landscape Park - the steel plant Meiderich as a park, highlight is the accessible furnace
Essen: old synagogue - an exhibition about jewish life and culture
Essen: Villa Hügel - the palace of the family Krupp
Hagen: Hohenhof - the villa of the Hagener Impulse, an ensemble of art nouveau
Hamm: Tamil Temple Sri Kamadchi Ampal
Marl: Chemiepark - the superlative chemistry set
Mülheim an der Ruhr: Aquarius - an exhibition about water with lots of hands on activities
Oberhausen: Centro/neue Mitte new center and Gasometer Gas-Tank - most modern shopping center and largest exhibition hall
zoos, gardens and parks
A special kind of zoo is Zoom Erlebniswelt (http://www.zoom-erlebnisw...) in Gelsenkirchen, it is imitating the natural surrounding of the animals.
The Chinese Garden (http://www.boga.ruhr-uni-...) in Bochum is the only one in south chinese style. It is situated inside the botanic garden of the Ruhr University. Open AprilâSeptember 9:00-18:00, October-March9:00-16:00, free.
Botanic Garden Westfalenpark (http://westfalenpark.dort...) in Dortmund
Botanic Garden Gruga (http://www.grugapark.de) in Essen
Leasure park Nordsternpark (http://www.nordsternpark....) in Gelsenkirchen, landscape park designed for the National Garden Show in 1997. It does not deny its industrial past. Highlights are the goat farm, the crag, the mining gallery and the "Deutschlandexpress", a very large model railway installation. Many attractions are admission free.
Maximilianpark
in Hamm, leisure park on the ground of former mine Maximilian. Its highlight the the butterfly house and the glass elephant which has been built onto the disused coal washery. The central electric powerhouse and the washrooms are now a stage for a wide range of cultural activities and shows.industrial heritage trail
The most interesting sites of the industrial heritage are combined under the keyword Industrial Heritage Trail (http://www.route-industri...). The is a fine brochure which you can download as a pdf-file here.