The powerful teeth and jaws of a Nile Crocodile sun basking on an island in a river. International school bus Sails of the Sydney Opera

Sails of the Sydney Opera House billow beneath a stormy summer sky

Crowds of tourists view the Apollo 11 Command Module 'Columbia' National Air and Space Museum

A male African Lion marks his territory on a grassy termite mound while a lioness is in estrus

An antique chest in a luxury safari camp

Water plants growing amongst logging mill pollution on the shore of the Amazon River

The powerful teeth and jaws of a Nile Crocodile sun basking on an island in a river. International school bus Sails of the Sydney OperaThe powerful teeth and jaws of a Nile Crocodile sun basking on an island in a river. Chobe River, Chobe National Park, Botswana.