In honor of National Park Week, more than 100 of America's national parks will offer free admission on Monday, Jan. 21.
The free admission covers entrance fees, commercial tour fees and transportation entrance fees. Some parks will also offer discounts on lodging, food and souvenirs.
Participating parks include:
Click here for a list of all the parks.
Travelzoo Tip: Of the 398 national parks, 265 are free every day of the year. These parks include Great Smokey Mountains and Olympic, some of the most visited in the country.
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