With 423 units in the National Park System, there will always be plenty to learn. So, take this National Parks Traveler quiz and test your knowledge and see how much you know before checking the answers at the bottom of the page.

A search is underway for the individual who cut off the head of an iconic bull elk at Rocky Mountain National Park in Colorado and dropped it elsewhere.

Venture into the National Park System during National Park Week, which kicks off Saturday, and you won't have to look far for something to do.

Leslie Stoltz was guiding a group to the overlook of Grand Prismatic Spring in Yellowstone National Park early one summer evening in 2020 when a black helicopter began circling the hot spring, sending a young boy into tears.