Eagle-eyed social media users had been discussing what could possibly be behind the partially hidden door.
For a period of over 300 years, people accused of being witches were hunted down and persecuted.
A psychologist takes a closer look at our fascination with scaring ourselves silly with horror movies and jump scares.
The series will see investigative journalist George Knapp delve deep into the mystery of UFOs and aliens.
An unexpected tourist was recently captured on camera at the very top of Egypt's tallest pyramid.
Concerns were raised when hundreds of strange black spheres started appearing along a popular Sydney beach.
This image of an apparent doorway into the Antarctic ice has been picked up by news outlets for a second time this week.
The four-part series takes a closer look at some well known cases of alleged hauntings from around the world.
The spacecraft will be trying to answer some of the most critical questions about Europa and its subsurface ocean.
Pentagon officials have been left stumped by unexplained drone incursions over restricted airspace.
The discovery was made beneath the resting place of the Holy Grail in Indiana Jones and the Last Crusade.
Locals have been left perplexed by unidentified blobs of white goo that keep washing up along the shoreline.
The unusual story is covered by a new documentary about the British royal family's connection to the phenomenon.
A neurotechnology firm claims to have achieved the first ever instance of dream-based communication.
The victim's ex-boyfriend had reportedly faked paranormal activity and had even hired a medium to scare her.
NASA recently featured this photograph, which shows a strange face-like formation, on its website.
The new vehicle is part of Tesla's efforts to shift its focus toward robots and AI-based products.
Two groups of rival astronomers are allegedly vying to publish confirmed evidence of an intelligent alien civilization.
Known as 'Immaculate Constellation', the program is so secret that the Pentagon won't acknowledge that it exists.
A Loch Ness research vessel has picked up a significant 'underwater presence' in the depths of the loch.