America the Beautiful quarters

The America the Beautiful quarters (sometimes abbreviated ATB quarters) were a series of circulating commemorativequarters released by the United States Mint. Minted from 2010 through 2021, they featured unique designs commemorating a national natural or historic site such as national parks, national historic sites, or national forests. There were five new reverse designs each year (one in 2021), which included one from each U.S. state, the District of Columbia, and each territory. The obverse depicts George Washington in a modified version of the portrait used for the original 1932 Washington quarter. The program was authorized by the America's Beautiful National Parks Quarter Dollar Coin Act of 2008 (Pub. L.110–456 (text)(PDF).