People speak of a potential cataclysm on Dec. 21, 2012.
Apocalyptic words from the book of Revelation.
Prophecies of Nostradamus.
A family prepares for the Hopi apocalypse.
Prophets with visions of doom include Nostradamus, Edgar Cayce, Joseph Smith, and St. Malachy; doomsday preparation.
Science fiction terrors threaten to become real; zombie apocalypse.