Roughly a third of the National Park Service's senior leadership positions are vacant, and the Interior Department reportedly has told the agency it will not be able to fill them.

Human remains, tattered mining claims, a 19th-century set of books containing the complete works of Shakespeare, and well-worn curtains that shaded the windows at Scotty's Castle in Death Valley National Park are among the millions of artifacts that National Park Service experts preserve, revive from decades of wear and disaster, and piece together so their stories can be brought to life in park museums.

This month’s quiz and trivia piece focuses on one of those parks: Pinnacles National Park in California. How many of you have visited this place? Test your knowledge and see just how much you know about this particular park unit. You might know more than you realize, and you will definitely learn something new.

The National Park Service has canceled ranger programs at Kings Canyon and Sequoia national parks until further notice, and reduced visitor center hours.