At the dead of night, the photographer – known to his Instagram followers as Dark Cyanide – heads out to look for hidden gems, like abandoned stations, provisions and tunnels. His intriguing images feature vibrant streaks, graffiti, and tight framing – and by adding individuals to some to some of shots, he is also able to depict the incredible scale of some of the tunnels. Here: Unnamed subway track in New York City. (Photo by Dark Cyanide/Caters News)

Images of Europes most spooky abandoned hospitals show just how frightening these once sparkling medical facilities can be. The haunting shots show the beds patients would have recovered on as well as the tables and instruments that would have been used during grim operations. Peeling, flaking paint and crumbling walls are prevalent in some of the hospitals while others look almost untouched by time. The spooky pictures were taken by Austrian photographer Stefan Baumann (35) from Vienna as he travelled across Europe. (Photo by Stefan Baumann/Caters News)

Mariam Emad from Parkour Egypt “PKE” practices her parkour skills around buildings on the outskirts of Cairo, Egypt on July 20, 2018. A group of Egyptian women gather at an abandoned park in a Cairo suburb once a week, climbing walls and jumping around in the strenuous physical discipline known as Parkour, while also challenging the country's conservative social norms. (Photo by Amr Abdallah Dalsh/Reuters)

The abandoned 77-metre (250-feet) cargo ship MV Alta is pictured stuck on rocks near the village of Ballycotton south-east of Cork in Southern Ireland on February 18, 2020. A “ghost ship” drifting without a crew for more than a year washed ashore on Ireland's south coast in high seas caused by Storm Dennis, the Republic's coast guard said. (Photo by Cathal Noonan/AFP Photo)

Built for over a million people, the city of Ordos was designed to be the crowning glory of Inner Mongolia. Doomed to incompletion however, this futuristic metropolis now rises empty out of the deserts of northern China. Only 2% of its buildings were ever filled; the rest has largely been left to decay, abandoned mid-construction, earning Ordos the title of China's Ghost City.

These Filipino icons of ingenuity were originally re-crafted from abandoned US army jeeps after the second world war, and helped to establish a new system of urban transportation. Jeepneys are being phased to help ease city congestion, but the move will also cause unemployment for experienced drivers – and higher fares for commuters. (Photo by Claudio Sieber/Barcroft Media)