If you're at all interested in archeology, you've probably read about the San Bartolo Mayan mural, which dates back to about 100 B.C.—about 700 years earlier than the Bonanpak murals, previously considered the oldest yet discovered.
Ex-physics teacher John Atkinson pays his kids $1 for each example of bad science they spot in the movies they see. For The Day After Tomorrow, IIRC, he instituted a $50 cap.