Papers, Please

Having special deals for residents/citizens and soaking international tourists is a common practice, but most places have easy definitive ways to prove you are, in fact, a resident/citizen and the US has no such method that people are used to.

WASHINGTON — The National Park Service said Tuesday it is going to start charging the millions of international tourists who visit U.S. parks each year an extra $100 to enter some of the most popular sites, while leaving them out of fee-free days that will be reserved for American residents.

Also that's a not a minor fee increase.

About half of Americans have valid passports, according to the internet.