Believe it, underneath the pyramid in Mexico is a huge graveyard ...
Two empty penguins celebrate 10 years of living together in the home at the Bremerhaven zoo in Germany.
The squirrel and salamander monkey is the famous duo at Krefeld zoo, Germany, and the little monkey even massages his friend.
Lions and tigers are two different species in the Cat family, but they can still produce common offspring. Scientists claim that tiger lions are rare species and can only be born
Thailand's Sriracha zoo is home to hundreds of tigers that can live peacefully with their wild, prey pigs.
Life in captivity makes average life and elephant health 2 to 3 times lower than those who live in nature.
A goat takes care of two orphan tigers in a zoo in China and this strange motherhood makes them famous.