An long Megalodon tooth from the Atacama desert of Chile. A very small number of Megalodon teeth legitimately over 7 inches have been found. This would have correlated to a massive shark about feet in lenght.
Alien abduction: This fossil crinoid, which inspired the artist who designed the extra-terrestrial antagonist of the Alien films, was stolen and and later returned to a museum in Switzerland. I can see the resemblance.
Great idea for hiding guns in the house if you don't have a gun safe. Or even other items you want to keep safe! It took me a little while to understand this. The shelf unit slides behind a mirror. I thought it was a passage to a hidden room.