Blackwell School National Historic Site in Texas was officially added to the National Park System on Wednesday.

It's the wildlife that draws most visitors to Glacier Bay National Park and Preserve, and those enjoying the park this week are probably getting opportunties to view humpback whales that summer in the 65-mile-long bay.

Grand Canyon National Park's decrepit water pipeline has sprung another leak, leading to mandatory water conservation measures for the South Rim of the park.