I’m a big fan of the The Big Picture Blog.  This is a photojournalism blog published by the Boston Globe.  They cover topics from all over the world.  The pictures are sometimes beautiful, sometimes disturbing, but always powerful.  

Here’s a random sampling of topics:

At Work

Sailing Around the World

Alaska’s Mount Redoubt

BigPicture

The photo above is from the Mount Redoubt entry.  Check it out.