Prove you've got the natural smarts—from Yellowstone geysers to Yosemite waterfalls—while your phone begs for your attention.
Which U.S. national park, established in 1872, is recognized as the world’s first national park?
Yellowstone
Which national park in California is home to North America's tallest waterfall?
Yosemite National Park
Which U.S. park set a world record by recording an air temperature of 134°F?
Death Valley
Which iconic Yellowstone geyser is celebrated for its remarkably predictable eruptions?
Old Faithful
Which U.S. president signed the Antiquities Act of 1906, a landmark conservation law that allowed presidents to designate federal lands as national monuments?
Theodore Roosevelt