In September 1987, a radiotherapy unit sat abandoned in a partially demolished building in Goiânia, Brazil.

In the mid nineteenth century, a French neurologist in Paris carried out unusual experiments that drew the attention of physicians, artists, and later Charles Darwin.

In July 1936 the Spanish Civil War began. The Bank of Spain held about 635 tonnes of gold in vaults at Madrid.

In the early 1800s, travelers heading north from Charleston, South Carolina, often stopped at roadside inns for food and rest.

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.