An 'air train' in China runs using an overhead magnetic track, never touching it as it glides through the air 30 feet above the ground — see it in action
Wuppertal Schwebebahn - Wikipedia
The German city with an incredible upside down railway | CNN
The German city with an incredible upside down railway | CNN
The German city with an incredible upside down railway | CNN
World's oldest electric suspension train reopens in Germany | Germany | The Guardian