In 1889, Gustave Eiffel decides to attempt the impossible for the Universal Exhibition in Paris: to build the tallest tower in the world. Before this...
On a summer's night, there's nothing more magic than watching the soft glow of fireflies switching on and off. Few other life forms on land can light...
In Egypt's Sahara Desert, massive skeletons with strange skulls and gigantic teeth jut out from the sandy ground. This fossil graveyard, millions of...