Log drives may be a vanishing art in most parts of the world—but somewhere riverjacks are still riding logs down the rivers, more or less like this…
Kelly Slater's Surf Ranch creates a kilometer-long perfect bi-directional peeling wave propelled by a train.…
In the Dadong River Grand Canyon, Chongqing, there is a 300-m-high suspended iron chain bridge with no piers & no cable-stayed ropes: just 4 sets of ropes