The inhabitants of the pre-Columbian Native American city did disappear for a time, but then they came back.
An eerie video clip of the legendary 'wailing ghost' of Latin American folklore has recently appeared online.
The tuxedo-wearing infant was recently 'elected' to serve as honorary Mayor of Whitehall, Texas.
People across America awoke on Thursday to find unexplained text messages on their mobile phones.
A new YouGov poll has revealed how many Americans believe in the existence of supernatural beings.
Scientists have discovered a new microscopic worm species in one of the oldest lakes in North America.
The Crossroads of America Bigfoot Museum in Nebraska is perhaps the most quaint of all Bigfoot attractions.
The majority of Americans believe that the US government knows more than it is letting on about UFOs.
The American author and ufologist once claimed to have been in contact with an extraterrestrial from Venus.
The Bank of America has predicted that extending the human lifespan will soon become a major pursuit.
Waverly Hills Sanatorium in Louisville, Kentucky is often regarded to be one of America's most haunted buildings.
American explorer Victor Vescovo has broken the world record by reaching a depth of nearly 7 miles.
Scientists have discovered an ancient footprint in Chile that is thought to date back around 15,600 years.
One of America's most mysterious buildings has played host to the 'world's most bizarre Easter egg hunt.'
A pint-sized relative of the tyrant lizard dating back 96 million years has been unearthed in North America.
New research has suggested that chocolate may have originated outside of Mexico and Central America.
Trump's plan to establish American dominance in space could be set in motion sooner rather than later.
The nine astronauts will be embarking on the first manned launches from American soil since 2011.
This brand new branch of the US military will aim to establish American dominance in outer space.
South America's Cuyaba dwarf frog has a rather unique way of dissuading predators from eating it for lunch.