Baked by time like some multi-layer geologic tort, Canyonlands National Park in southeastern Utah features a landscape cut by canyons, rumpled by upthrusts, dimpled by grabens, and even pockmarked, some believe, by asteroids.

A California man apparently trying to leap from one outcrop to another on the South Rim of Grand Canyon National Park fell roughly 500 feet to his death, according to park officials.

Here's the information you need to see the International Space Station as it arcs across the night sky. A great place to do that is in a national park beyond the reach of urban light pollution and skyline clutter.

There are units of the National Park System, such as Canyonlands, North Cascades, and Great Smoky Mountains national parks, just to name three, that have little or no lodging within their borders. It's just such a lack of facilities, believes Derrick Crandall, that serves as a drag on visitation to the park system.