Along the Leeward coast O‘ahu are railroad tracks that date back to the 1800s, when trains were used to haul sugar cane from the fields to the sugar cane mills. A railroad network covered a large portion of of O‘ahu. Most of the Neighbor Islands had railroads as well.
There is a train that still runs on the tracks above, operated by the Hawaiian Railway Society.
I desaturated the colors to give the photo to give it a vintage look.