If you're referring to "largest" memorial park as in the amount of land it encompasses, then that would be Rose Hills Memorial Park & Mortuary in Whittier, California. It's over 2,500 acres in size.
The Lincoln Memorial is located in Washington DC, the US Capital. It is in West Potomac Park. The Potomac River is behind the Memorial.
Yellowstone national park
Yellow Stone National Park is the first national park in the US. It is Wrangell-St. Elias that is the largest.
Wilsonville Memorial Park was created in 1969.
Angelus Memorial Park was created in 1951.
Anchorage Memorial Park was created in 1915.
Memorial Recreation Park was created in 1945.
Yosemite
the largest what ? city state park buliding bridge need to be more specific
Hot Springs National Park in Arkansas Smallest - Thaddeus Kosciuszko National Memorial, PA - 0.02
The biggest memorial park in the United Kingdom is in Coventry. It is simply called the History of War Memorial Park, this park was opened in 1921 and has been running every since.
Caswell Memorial State Park was created in 1952.