Despite a tumble, I enjoyed the beautiful colors of sunset, having used Skyfire to assess the likelihood of great light.

A cheetah was fed raw meat from a carcass as part of Enrichment Day at the National Zoo.

The prairie dogs at the DC Zoo have learned a neat trick from the city's native fauna.

A tiger gets in touch with his inner kitty at the National Zoo.

A ranger-led hike at Glacier National Park along the Saint Mary Lake, with mountains looming in the distance.