The internet has been awash with face swaps for years — here’s our contribution to the art of creating nightmares with Photoshop.

Tsar Alexander II (1818–1881) known as “The Liberator” lying in state. He was mortally wounded by an assassination attack in St Petersburg. (Photo by Hulton Archive/Getty Images). March 1881

Two guards perform an execution in China, one holding the gun, the other holding a mask over the victim's face. (Photo by General Photographic Agency/Getty Images). Circa 1925

Elsa Rhae Pageler, otherwise known as just Elsa Rhae, has the unbelievable knack for transforming her beautiful face into something incredibly scary. Although she began her career in video editing, and still works as one to this day, she has become infamous for her amazing makeup transformations. She took a stage makeup class as an elective to graduate from her film degree in college and soon realized that it was a passion she didn’t even know she had at first.

Mug shot of De Gracy (sic) and Edward Dalton. Details unknown. Central Police Station, Sydney, around 1920. (Photo by NSW Police Forensic Photography Archive, Justice & Police Museum, Histiric Houses Trust of NSW)

A talented artist has created breathtaking intimate portraits by using detailed maps of the world as his canvas. Cardiff-based illustrator, Ed Fairburn, combines the patchwork of roads, terrains and rivers to for his unique sketches. Photo: Ink on a 1977 road map of Germany. (Photo by Ed Fairburn/Rex Features)

Pretty Girls, Ugly Faces is a photo fad in which girls take pictures of themselves while posing in an unflattering manner, making a silly face or performing a physically strenuous activity.

Participants wearing masks during a hazy day at the Beijing International Marathon in front of Tiananmen Square, in Beijing, October 19, 2014. (Photo by Reuters/Stringer)