......... are patterns found in fields of grain, mostly in the U.K. They have existed for centuries but increased in number toward the end of the 20th century. They usually appear near ancient monuments. Some believe they are created by magical or extraterrestrial phenomena, though it is generally believed that they are created using a length of string and some pieces of wood.

The term ...... refers to any flying object that cannot be explained, but is most commonly used to refer to spaceships with aliens on board. The number of sightings has increased greatly since the advent of science fiction films in the 1950s. There is no evidence to prove they exist.

..................... is a sea animal that some people claim lives in a great lake in Scotland. The famous photograph of the ............ from 1934 was revealed to be a fake in 1994. There have been several unsuccessful searches of the lake.