Hidden out of public view, behind the heads of Mount Rushmore is a room called the Hall of Records. The sculptor, Gutzon Borglum, envisioned a room to store America's most important documents. Time and money ran out before it could be completed, but part of his vision remains. Read on for more details and photos of the room.

Over the weekend, our website was swamped with something called 'comment spam'. Like the unwanted stuff you get in your email, this spam is just as annoying and difficult to get rid of. The best solution so far has been to run comments from unregistered visitors through an approval queue. These 'anonymous' comments will be filtered for spam, then released onto the web a short time later.

Ever hike to the top of a volcano? Typically, this is a pretty tough activity, but at Lassen Volcanic National Park, this goal can be accomplished through a 2.5 mile strenuous hike. It's a pretty popular activity, but, if you'd like to avoid the crowds, listen to this story about backcountry hiking opportunities within Lassen Park.

The Blue Angles buzzed past the Grand Tetons on Wednesday for a photo opportunity. Park regulations ask that no plane fly closer than 2000 feet above the ground.