When a sharp-edged structure appeared in NASA’s photos of Mars, amateur stargazers believed they had found proof of alien architecture.

Joseph Ducreux began as a painter of kings and queens but ended up, centuries later, as an unexpected internet sensation.

On the evening of August 10, 2018, air traffic controllers at Seattle–Tacoma International Airport watched in disbelief as a Bombardier Q400 belonging to Horizon Air began taxiing without authorization.

In the late 2000s, former British police officer Andy Wray began waking up in a world he could not remember.

Near Dumbarton in Scotland stands Overtoun Bridge, a 19th century stone crossing with an unsettling mystery.

On July 19, 1957, five U.S. Air Force officers and a cameraman gathered on a small patch of desert near Yucca Flat, Nevada.

Eighteen kilometers from Jaisalmer, Rajasthan, lies Kuldhara, a deserted village surrounded by sand and silence.

In the middle of the Bidasoa River, between France and Spain, lies a small, uninhabited patch of land that quietly shifts nationality every six months.

On a one hectare skerry called Forewick Holm in the Shetland Islands, Cunningsburgh resident Stuart Hill announced a new project in June 2008.

On December 15, 1900, a passing ship noticed that the Flannan Isles Lighthouse, newly built off the coast of Scotland, was dark. For eleven days no light shone over the North Atlantic.