California's Death Valley possesses the moving stones.
Astronomers report seeing a planet cross the sun and then disappear.
Scientists search for evidence of a monkey photographed by a Swiss geologist in 1980.
Investigations follow reported sightings of UFOs.
Live frogs and hazelnuts rain from a clear sky.
Britain's stone circles and standing stones mystify.
In 1908 a Siberian explosion sends shock waves around the world.
The Loch Ness monster is one of many creatures sighted in more than 70 lakes worldwide.
Huge geometric and animal shapes are drawn on a Peruvian desert.
The Abominable Snowman; Bigfoot.
Technological prowess in ancient times.
Legendary encounters with monsters of the sea.
The legends of the Loch Ness monster.