Ancient Egyptians mummified pets as offerings, inclusions in burials, and for religious purposes. This cat mummy dates back to the early Roman period.

A yellow boxfish, mummified by salt and hot sand, was found in Egypt's Red Sea. It's an example of "3-D perfection," according to mummy researcher Heather Gill-Frerking.

This spiny-tailed lizard, naturally mummified by the heat of the Sahara Desert, is likely less than a century old.