Canyonlands, Great Sand Dunes, Sequoia, and Guadalupe Mountains national parks were all established during the month of September. It’s also the birthday month for notable George Bird Grinnell. So, guess what this latest National Parks Quiz and Trivia piece is all about?

Great Basin National Park is where the “basin meets the range” and “rises from a sea of sagebrush to treeless rocky summits.” How much do you know about this 77,100-acre park located in Nevada? Take this quiz and test your knowledge while learning something at the same time.

Every month of the year has its own set of national park notables. August has seen the establishment not only of Lassen Volcanic, Virgin Islands, and Hawai’i Volcanoes national parks, but also the National Park Service and National Parks Traveler! So, this Quiz and Trivia piece is devoted to these August notables.

In addition to celebrating Independence Day, we should also celebrate the July establishment of Mammoth Cave National Park in Kentucky, and light a birthday candle for Stephen T. Mather, whose “vigorous efforts to build public and political support for the parks helped persuade Congress to create the National Park Service in 1916.” Test your knowledge about both park and man with this Quiz and Trivia #33.