US national parks

Which national park site contains the most lighthouses?

What is the most visited national park?

What national park is home to the largest tree by volume?

What was the first national park in America?

What state contains the most national parks?

What national park is home to the longest cave system in the world?

Who was the only U.S. President to work as a park ranger?

Which national park includes the largest wilderness area east of the Mississippi River?

What national park is home to the deepest lake in the U.S.?

Psychics claim that there is a portal to a parallel universe near what national park?

What is the least visited national park?

What National Park contains the highest peak in North America?

Which of the following national parks is the newest?

Which national park was one of the locations for Luke Skywalker’s home planet of Tatooine in Star Wars?

This man is considered "The Father of the National Parks."

Which of these national parks is the only park to bid to host the Olympic games?

Butch Cassidy and his Wild Bunch hid out in the canyons of which national park?

What is the smallest national park?

What causes the blue haze for which Great Smoky Mountains National Park is named?

Through how many states does the Appalachian National Scenic Trail pass?

Which of the following is not one of Utah's "Mighty 5" National Parks?

Which of these iconic landmarks is NOT part of the National Park System?

At the turn of the 20th century, which national park hosted spring training for some U.S. baseball teams?

Which president signed the National Park Service into being in 1916?

Carbon Glacier in this national park has the greatest thickness and volume of any glacier in the continental U.S.