Our planet Earth hides many wonderful and exotic secrets. Your assignment if you wish to accept it is to explore the far reaches of the globe in search of weird and wonderful physical phenomena. It is your mission to discover these marvels, collect clues to solve their mysteries, unravel their puzzles and present your theories about them to your class. The quest will be filled with adventure, danger and surprising beauty. Good luck and Bon Voyage.
T o accept the challenge click here .