Wuppertal, Germany Schwebebahn: the flying train

From: Film at MoMA
"The Flying Train" depicts a ride on a suspended railway in Germany in 1902. The footage is almost as impressive as the feat of engineering it captures.
Built to make use of otherwise dead space in a city, the trains run above existing roads and rivers with only the slender struts and stations entryways taking up space on the ground.

Built in 1901, the train is still running today: