World Clock

Now this is an intriguing page. Not only does it show the time, it shouws world population being updated (also broken down into births deaths and net growth since it started nearly 8 thousand days ago. I'm thinking that I might use it to start some lectures, just while people are coming in and settling down.
World Clock: " "

Visual History of Religions

This looks like a good potential teaching resource. History of Religion: "How has the geography of religion evolved over the centuries, and where has it sparked wars? Our map gives us a brief history of the world's most well-known religions: Christianity, Islam, Hinduism, Buddhism, and Judaism. Selected periods of inter-religious bloodshed are also highlighted. Want to see 5,000 years of religion in 90 seconds? Ready, Set, Go!"

See also an animated gif version.