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

The fee change for international visitors will impact 11 national parks, including the Grand Canyon, Yellowstone and Yosemite, according to the Interior Department.

As part of the changes, which are set to take effect Jan. 1, foreign tourists will also see their annual parks pass price jump to $250, while U.S. residents will continue to be charged $80, according to the department's statement.

Visitors walk through the California Tunnel Tree in Mariposa Grove amidst the on

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