From cool animal facts to nature and location facts, these infographics reveal more about the interesting, bizarre and always entertaining world we live in.

 beautiful and stunning photographs.

 I would really like to see at least a couple of these plague-bike live.

This combo shows the lights around Sydney's Harbor and the iconic Opera House (L) taken on March 23, 2011 (top photo) and on March 26, 2011 as the city switches off its lights to mark "Earth Hour". Australia's Opera House was the first of many global landmarks to go dark on March 26 as "Earth Hour" got underway with hundreds of millions of people around the world set to switch off their lights.

 This pool was built in 1974 to prepare athletes for the Olympics 80. The pool was open air and open all year round, in winter the water temperature was 24 degrees. Let's see what left of the pool time.