More than 400 National Parks will have free entrance on Sunday

This Sunday will offer the chance to take in some of the best scenic views and historical sites that America has to offer.
August 4 marks the anniversary of the passing of the Great American Outdoors Act, and is also one of six days during the year when entrance to any National Park site is free of charge.
More than 400 parks from Maine to California, the Florida Keys to Alaska, and all points in between, will be open anyone and everyone.
This includes all national battlefields, seashores, monuments, and more.
More:National parks are getting more funding: What it means for visitors (including an extra free day)
The Great American Outdoors Act, passed in 2020, provides funding to improve infrastructure and expand recreation opportunities in national parks and other public lands.
In recent years the National Park Service reported as much as $12 billion in maintenance backlog costs since 2010.
In addition to August 4, National Park sites will waive entrance fees on: