The National Park Service continues to make adjustments. Among recent changes, Canadians are expected to pay more than twice the cost Americans pay to access U.S. National Parks . The adjustment is generating mixed reactions. At Zion National Park, foreign visitors have different reactions compared to the store owners . Foreign visitors feel that some families won't be able to afford the new price, while store owners think that the fee change won't make a difference in the end.

Are more changes looming?

Well, dress codes are a hot topic these days. This has prompted some people online to ask whether Yellowstone National Park and other parks have dress codes for their restaurants.

Here's a closer look at Yellowstone's dress code for its restaurants and the advice the park offers visi

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